New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Some discoveries challenge everything we know. NASA hid perfect spheres measuring spacetime itself while astronomers found a ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

However, astronomers in Hawaii just spotted a pair of exciting discoveries — a huge exoplanet and a brown dwarf — using Japan ...

A comet from another star system is making a fleeting pass through our cosmic neighbourhood. NASA’s Hubble and ESA’s Juice ...

Harvard astrophysicist Avi Loeb claims the interstellar object 3I/ATLAS is not just a comet, but a technological artefact ...

Taken together, these studies illustrate that the Milky Way’s spiral arms are not just smooth arcs of stars, but dynamic, ...

In a fragment of rock no heavier than a paperclip, scientists have found molecules that could rewrite humanity’s ...

An alien comet from another star, 3I/ATLAS, is spewing vast amounts of methanol, a key molecule for life. Scientists reveal ...