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

Harvard's Avi Loeb claims the interstellar object 1I/'Oumuamua is alien tech, blasting the scientific establishment for a ...

The search for aliens has led astronomers to scour the farthest reaches of the cosmos for signs of life. But a new study suggests that we might not need to look so far from home. According to NASA ...

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 ...

And why many scientists are freaked out about the first serious for-profit company moving into the solar geoengineering field.

Comet 3I/ATLAS nears Earth on December 19, 2025. This interstellar visitor displays an unusual green glow. Scientists are ...

In its latest study by the X-Ray Imaging and Spectroscopy Mission (XRISM) spacecraft, done between 23:20 on November 26 to 20:38 on November 28, 2025, the probe carried out a Target of Opportunity ...

It’s been hypothesized for decades that life on Earth may not have been as “homegrown” as one might think and now, we’re ...

The mysterious interstellar object 3I/ATLAS may be seeding the worlds of this solar system with the early stages of life, new scans reveal.

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through a solid iron lattice. This unusual behavior makes the core soft, matching ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...