Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...
A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...
The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...
NASA’s James Webb Space Telescope has recently made a historic observation, identifying the earliest supernova ever detected.
A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...
Leading scientist Professor Avi Loeb argued it’s “arrogant” to believe we’re alone in a universe teeming with billions of ...
A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever ...
Direct chemical signatures in a distant galaxy captured by JWST confirm the presence of massive primordial stars, resolving ...
A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...
Comet 3I/ATLAS nears Earth on December 19, 2025. This interstellar visitor displays an unusual green glow. Scientists are ...
Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...
Astronomers have witnessed a dramatic and extremely fast outburst from a supermassive black hole in the spiral galaxy NGC 3783 ...