Interstellar visitor 3I/Atlas confirmed General Relativity, then performed an unexplained course correction. Was it a natural ...

Rep. Aaron Bean voiced frustration as Democrats demanded an extension of subsidies for Affordable Care Act-obtained insurance ...

I/ATLAS changed color again and what is it this time? The interstellar comet has shown a new blue hue after its recent ...

Recent observations of the interstellar object 3I/ATLAS show that it has developed a faint blueish hue, hinting at a ...

A Harvard astrophysicist who believes the Manhattan-sized comet hurtling towards Earth could possibly be fueled by alien ...

Comet 3I/ATLAS isn’t hiding from view; it has been coming from behind the Sun, making it hard for ground-based telescopes to track. That’s why we haven’t seen much of it yet. So no, this doesn’t mean ...

Atlas fuels debate as NASA delays new images. See what data exist, why releases lag, what scientists say, and what to watch next.

Get ready to look up. A truly rare spectacle has arrived in our skies, one that stargazers and the public alike have been ...

Behind the Sun, the comet appears to show signs of acceleration beyond what is expected by gravity. And for reasons not yet ...

The interstellar object 3I/Atlas has left astronomers amazed after data revealed it follows the most stretched and unusual orbit ever measured ...

I/ATLAS showed signs of non-gravitational acceleration as it passed near the sun, attracting global scientific attention.

An astronomer has snapped comet 3I/ATLAS using the Lowell Observatory's powerful Discovery Telescope, as well as his own ...