The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

Researchers using NASA's James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...

The Sun exhibited unpredictable behavior with two strong solar flares in late November and early December 2025. These events, ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth. Contained within are hints about the very beginning of the solar system and how ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

Asteroid 2025 XF1 is hurting through the solar system at nearly 8,000 miles per hour, according to the spacy agency.

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

Revisiting old data from Voyager 2, scientists have worked out how a dense, shocked region of the solar wind could have ...

Interstellar comet 3I/Atlas is baffling scientists with its 'flipped' anti-tail, a behavior astrophysicist Avi Loeb suggests ...