The giant dirty snowball has been seen dimming and brightening, akin to a ‘heartbeat’, according to one Harvard ...

The comet 3I/ATLAS arrived in the solar system with a reputation for being unruly, but its latest trick has stunned even ...

Astronomers are reporting new findings about 3I/ATLAS, the rare interstellar comet now moving through the outer solar system, as NASA and research institutions expand monitoring of the object's ...

Interstellar comet 3I/ATLAS shows odd traits—anti-tail, strange acceleration, unusual chemistry—prompting scientists to warn ...

NASA's newest Hubble Space Telescope image of interstellar object 3I/ATLAS has intensified scientific scrutiny after ...

The exercise, which began on November 27, 2025, and will run through January 27, 2026, is not a response to any known threat, ...

Space questions everything about what we know about existence and consists of gigantic stars, icy comets and distant worlds ...

A Southwest Research Institute (SwRI) research project is using data from NASA’s Polarimeter to Unify the Corona and ...

Astronomers found signs that mysterious interstellar object 3I/ATLAS is radiating a "heartbeat" pulse of light that repeats ...

Dr Loeb has cited the comet’s nickel emissions without iron, saying they resemble those found in industrially produced alloys, and also pointed to its ‘anti-tail’ where its trail of dust pointed ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's known as the Oort ...

The NASA mission, called Stardust, brought back the only material—other than moon rocks—taken directly from a extraterrestrial body. NASA At the threshold of a sterile lab at NASA's Johnson Space ...