What is a presumed sign of life doing on a dead comet?
Science - Fri 26 Apr 24Touted as a “biosignature” on an alien planet, dimethyl sulfide also seems to arise in banal ways
Recently discovered black hole is part of a nearby disrupted star cluster, study finds
Phys.org - Thu 25 Apr 24European astronomers have investigated a recently detected black hole designated Gaia BH3. In their results, they found that the black hole is associated with a nearby disrupted star cluster ...
Will we know if TRAPPIST-1e has life?
Phys.org - Tue 23 Apr 24The search for extrasolar planets is currently undergoing a seismic shift. With the deployment of the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite (TESS), scientists ...
Some White Dwarfs Might be Older than Previously Thought
APS Physics - Thu 18 Apr 24Author(s): Elizabeth FernandezA process that reheats some white dwarfs might mean they are much older than previously thought, indicating a potential need to recalculate the age of stellar populations ...
Methane emission from a cool brown dwarf
Nature News - Wed 17 Apr 24Nature, Published online: 17 April 2024; doi:10.1038/s41586-024-07190-wMethane emission from a very cool brown dwarf, perhaps arising from an aurora, has been detected in James ...
Methane Emission From a Cool Brown Dwarf, Astrobiology - Sat 20 Apr 24'Alien aurora’ may have been spotted on nearby failed star
Science Focus - Wed 17 Apr 24Brown dwarfs, often referred to as ‘failed stars’, are a funny kind of celestial body – too large to be classified as a planet, but too small to kick off the fusion processes required ...
James Webb Space Telescope data pinpoint possible aurorae on a cold brown dwarf
Phys.org - Wed 17 Apr 24Using new observations from the James Webb Space Telescope (JWST), astronomers have discovered methane emission on a brown dwarf, an unexpected finding for such a cold and isolated world. Published ...
Methane Emission Observed On A Cold Brown Dwarf, Astrobiology - Wed 17 Apr 24Astronomers Discover Unexpected Methane Emission on Cold Brown Dwarf, Science Blog - Wed 17 Apr 24
Astronomers discover the most metal-poor extreme helium star
Phys.org - Wed 17 Apr 24Using the Southern African Large Telescope (SALT), astronomers have performed high-resolution observations of a recently detected extreme helium star designated EC 19529–4430. It turned out ...
Forget Mars, are there aliens on… K2-18b? Discovery of planet twice as big as Earth emitting gas 'only produced by life' sparks huge excitement among astronomers
Daily Mail - Fri 26 Apr 24Observations of a planet 120 light-years away by the James Webb telescope could show that life exists outside of our solar system.
Webb studies planet K2-18 b again to confirm presence of gas ‘only produced by life’
Earth.com - Thu 25 Apr 24 Why alien life might look purple, National Geographic - Thu 25 Apr 24.css-1dmjnw1{position:relative;}.css-1dmjnw1:before{content:"";position:absolute;}.css-1al158h{color:#000000;display:inline;font, Popular Mechanics - Wed 24 Apr 24
Cold brown dwarf seen emitting methane and generating an aurora, Earth.com - Sat 20 Apr 24
Every 80 years, this star appears in the sky—and it’s almost time, National Geographic - Wed 17 Apr 24
Alien Life on K2-18b: Planet That Emits Gas Produced Only by Life Sparks Interest Among Astronomers, The Science Times - Mon 29 Apr 24
Signs of Alien Life Detected in Planet K2-18b [Study], The Science Times - Sun 28 Apr 24
NASA James Webb Space Telescope Gets its Closest Look Yet at Mysterious Mini-Neptune, Techtimes - Wed 24 Apr 24
Uranus May Be Filled With A Lot More Methane Than We Thought, IFLScience - Wed 24 Apr 24
NASA's James Webb Space Telescope Will Look for Signs of Life in New 7 Earth-sized Planets Around TRAPPIST-1, Techtimes - Tue 23 Apr 24
EC 19529-4430: Most Metal-Poor Extreme Helium Star Detected to Date, The Science Times - Fri 19 Apr 24
NASA James Webb Space Telescope Makes Shocking Discovery Regarding a Cold Brown Dwarf, Techtimes - Thu 18 Apr 24
Methane Emission Discovered on Cold Brown Dwarf, Mirage News - Wed 17 Apr 24
James Webb Space Telescope documentary returns to IMAX theaters this week for Earth Day. Watch exclusive clips here (video)
SPACE.com - Mon 22 Apr 24New James Webb Space Telescope documentary, "Deep Sky," returns to IMAX screens for Earth Day. Watch two exclusive clips here at Space.com. ...
James Webb telescope's 'shocking' discovery may hint at hidden exomoon around 'failed star'
Livescience - Mon 22 Apr 24JWST's surprise discovery of methane emissions and likely aurorae over a distant brown dwarf could indicate this "failed star" is orbited by an active moon. ...
James Webb Space Telescope's 'shocking' discovery may hint at hidden exomoon around 'failed star' , SPACE.com - Wed 17 Apr 24A Rare Nova Explosion Will Soon Bring a 'New Star' to the Night Sky—How to Catch a Glimpse
Smithsonian Magazine - Fri 19 Apr 24In an event that occurs only once every 80 years, a distant remnant of a star will grow much brighter, briefly becoming visible to Earth
Nearby methane-emitting brown dwarf might generate auroras
ZME Science - Thu 18 Apr 24Something intriguing has been found just 47 light-years from Earth.
Dwarf Fortress goes on an adventure
The Verge - Wed 17 Apr 24Image: Bay 12 Games Though you could always go on adventures in Dwarf Fortress, with the game’s Adventure Mode expansion entering public beta today, you can ...
How many stars die in the Milky Way each year?
Astronomy.com - Thu 25 Apr 24How many stars die in the Milky Way each year? Martin J. HeuerSt. Petersburg, Florida Before diving into the astronomy here, we first need to acknowledge that we are borrowing the word die, ...
A Multiwavelength Survey of Nearby M dwarfs: Optical and Near-Ultraviolet Flares and Activity with Contemporaneous TESS, Kepler/K2, Swift, and HST Observations
Astrobiology - Fri 19 Apr 24We present a comprehensive multiwavelength investigation into flares and activity in nearby M~dwarf stars. We leverage the most extensive contemporaneous dataset obtained through the Transiting ...
Biosignatures From Pre-oxygen Photosynthesising Life On TRAPPIST-1e
Astrobiology - Thu 18 Apr 24In order to assess observational evidence for potential atmospheric biosignatures on exoplanets, it will be essential to test whether spectral fingerprints from multiple gases can be explained ...
Astronomers uncover methane emission on a cold brown dwarf
ScienceDaily - Thu 18 Apr 24Astronomers have discovered methane emission on a brown dwarf, an unexpected finding for such a cold and isolated world. The findings suggest that this brown dwarf might generate aurorae similar ...
Astronomers uncover methane emission on a cold brown dwarf, Scienmag - Wed 17 Apr 24Census of cosmic neighbors reveals new insights with help from citizen scientists
SpaceDaily - Thu 18 Apr 24Los Angeles CA (SPX) Apr 17, 2024 Using various telescopes, scientists, including volunteer citizen scientists worldwide, have mapped over 3,500 cosmic entities within 65 light-years of the ...
Webb Detects Methane Emission from Cool Brown Dwarf
Sci.News - Wed 17 Apr 24Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected methane emission from CWISEP J193518.59-154620.3 (W1935 for short), an isolated brown dwarf with a temperature of ...
Web Space Telescope Reveals Surprising Methane Activity on a Cold Brown Dwarf
SciTechDaily - Wed 17 Apr 24James Webb Space Telescope data pinpoints possible aurorae on isolated world in our solar neighborhood. Using new observations from the James Webb Space Telescope (JWST),...