ASKAP J1832-0911 is a newly discovered and highly enigmatic cosmic object located about 15,000 light-years from Earth in the Milky Way. It has garnered significant attention from astronomers due to its unprecedented behaviour as the object emits simultaneous pulses of both radio waves and X-rays — a phenomenon never observed in this combination or periodicity. The initial detection was made using the Australian Square Kilometre Array Pathfinder (ASKAP) radio telescope, followed by a fortuitous observation with NASA’s Chandra X-ray Observatory, which captured the X-ray pulses during a period of intense radio emission. Follow-up observations revealed that the intensity of both radio and X-ray emissions can vary over months, with the object sometimes dropping off dramatically in both wavelengths. 
 
ASKAP J1832-0911 belongs to a rare class known as long-period transients (LPTs). LPTs are astrophysical objects that emit intermittent, regular bursts of radio waves spaced out by minutes or hours, first identified in 2022. Only about ten such objects have been catalogued so far, and none have shown the same properties as ASKAP J1832-0911. It emits strong, periodic pulses in both radio and X-ray wavelengths, lasting two minutes every 44.2 minutes. This cycle is thousands of times longer than the rapid pulses seen from typical pulsars, which repeat multiple times per second. This is also the first time an LPT has been observed emitting both radio and X-ray pulses in sync, suggesting a highly energetic and unusual underlying mechanism. It reaches radio luminosities up to 10,000 times greater than typical pulsars, with peak radio fluxes around 20 Janskys. Its radio pulses are also highly polarized (92% total polarization), indicating extremely ordered magnetic fields — far exceeding the polarization seen in most other transient sources. The combination of long-period, high-brightness, synchronized multi-wavelength emission, and extreme variability does not fit any established category of compact objects, such as pulsars, magnetars, or accreting binaries. Its properties defy current models of stellar remnants and challenge our understanding of how such objects can remain so active with such slow rotation.
 
Astronomers are still debating the true nature of ASKAP J1832-0911. Several hypotheses have been proposed:

It could be a highly magnetic neutron star (magnetar), which are known to emit both radio and X-ray pulses. However, some aspects — such as the brightness and variability of the radio emission are challenging to reconcile with known magnetar behaviour, especially for an older magnetar (over half a million years old).
Another theory is that ASKAP J1832-0911 is part of a binary system, possibly involving a highly magnetized white dwarf. Yet, this also fails to fully explain the observed phenomena.

​The object’s unique combination of properties may point to a new type of physics or previously unknown models of stellar evolution, as current theories do not fully account for its behavior.
                  
The discovery of ASKAP J1832-0911 opens a new window into the study of long-period transients and the extreme physics governing such objects. Its dual emission in radio and X-ray bands provides a crucial clue that could help unravel the mechanisms behind LPTs and similar cosmic phenomena. Researchers plan to continue monitoring ASKAP J1832-0911 and search for other LPTs with similar properties. Further X-ray and radio observations may help determine the object’s temperature, size, and underlying physical processes, potentially reshaping our understanding of stellar remnants and high-energy astrophysics.
 
References
Lea, R. (2025, May 28). Astronomers discover mystery cosmic body bursting with X-rays: 'This object is unlike anything we have seen before.' Space.com.
 
Turner, B. (2025, May 28). 'Unlike anything we have seen before': Astronomers discover mysterious object firing strange signals at Earth every 44 minutes. LiveScience. 
(2025). Eccentric 'Star' Defies Easy Explanation, NASA's Chandra Finds. Chandra X-Ray Observatory. https://chandra.si.edu/photo/2025/lprt/
 
(2025, May 28). Mysterious Star Pulses Every 44 Minutes In Space First. NASA/JPL. Science Blog. https://scienceblog.com/mysterious-star-pulses-every-44-minutes-in-space-first/

A previously unknown strain of bacteria, named Niallia tiangongensis, has been discovered on China’s Tiangong Space Station. This bacterium is notable for its “unique ability” to hydrolyze gelatin—meaning it can break down gelatin to use as a nutrient source, which is particularly advantageous in the nutrient-limited environment of space. This adaptation is not seen in its closest known relative on Earth, Niallia circulans, a species typically found in soil and waste.
 
The key characteristics and unique abilities of Niallia tiangongensis are, quite apart from it being able to be a nutrient source after breaking down gelatin, it exhibits heightened resistance to radiation and oxidative stress, both of which are significant challenges in the space environment; it can form protective biofilms, which help shield the bacteria and facilitate repair mechanisms in response to radiation damage; like its terrestrial relatives, it can create spores, enabling it to survive extreme conditions, such as those found in orbit; and although it is closely related to Niallia circulans, N. tiangongensis is genetically distinct, likely due to mutations that arose in the space environment.
 
The discovery of Niallia tiangongensis aboard China’s Tiangong Space Station offers several groundbreaking applications for space exploration, leveraging its unique adaptations to extreme environments. Here’s how this resilient microbe could advance missions beyond Earth:

​1. Enhanced Life Support Systems
Organic Waste Recycling: The bacterium’s ability to hydrolyze gelatin and break down organic compounds could be harnessed to process human waste and other organic materials into reusable nutrients. This would reduce reliance on Earth-supplied resources during long-term missions.
 
Closed-Loop Ecosystems: Integrating N. tiangongensis into life support systems might enable sustainable recycling of water, oxygen, and nutrients, critical for lunar or Martian habitats.
 
2. Radiation Protection
Biofilm-Shielded Equipment: Its biofilm-forming capability could protect spacecraft components and astronauts by forming a barrier against cosmic radiation. Biofilms might also stabilize materials exposed to microgravity and radiation.

Radiation Damage Repair: The bacterium’s enhanced DNA repair mechanisms could inspire biomimetic materials or genetic engineering to bolster human cells’ radiation resistance.
 
3. Astronaut Health and Safety
Microbial Monitoring: Studying N. tiangongensis helps refine protocols for detecting and managing harmful microbes in closed habitats, mitigating risks of infections or system contamination.

Stress Resistance Insights: Its oxidative stress response provides clues for developing antioxidants or therapies to counteract space-induced cellular damage in astronauts.
 
4. Biotechnology Innovations
Extreme-Environment Enzymes: Enzymes from N. tiangongensis could be engineered for industrial processes in space, such as manufacturing materials under low-gravity conditions.

Terraforming Tools: Its survival traits might aid in modifying extraterrestrial environments, like breaking down regolith for soil or producing oxygen.
 
5. Spacecraft Material Durability
Self-Healing Materials: Biofilms or spores could be incorporated into spacecraft coatings to autonomously repair minor damage from micrometeoroids or radiation.
 
This microbe’s adaptations highlight the untapped potential of space-evolved organisms to solve challenges in long-duration missions, from sustaining human life to protecting hardware. Continued research through programs like China’s Habitation Area Microbiome Programme will further unlock these applications, shaping the future of interplanetary exploration.

References
Garay, G. (2025, May 21). New Bacteria Have Been Discovered on a Chinese Space Station. Wired. https://www.wired.com/story/bacteria-unknown-on-earth-appears-on-chinese-space-station/
 
Jones, A. (2025, May 21). New species of space-adapted bacteria discovered on China's Tiangong space station. Space.com. https://www.space.com/space-exploration/human-spaceflight/new-species-of-space-adapted-bacteria-discovered-on-chinas-tiangong-space-station