Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

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

American astrophysicist and science communicator Neil deGrasse Tyson, and English physicist, science communicator, and ...

An interstellar comet making a brief passage through the solar system has triggered one of the largest coordinated astronomical observation efforts in recent memory. Comet 3I/ATLAS, only the third ...

NASA reveals the true, bizarre reason for the 3I/ATLAS comet's 16.16-hour pulse. Scientists link the interstellar object's ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

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

In a new study published in The Astrophysical Journal, a group of researchers from the University of Colorado Boulder ...

Astronomers around the world are accelerating their study of Comet 3I/ATLAS, the third confirmed interstellar object to enter ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

The Wide Field Camera 3 instrument gives the telescope the ability to capture a panchromatic view of objects flying through ...