Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

As 3I/ATLAS heads past Jupiter, viral theories claim the interstellar object could return towards Earth. What we know.

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

Harvard's Avi Loeb investigates whether the interstellar object 3I/ATLAS is leaking artificial propellants, suggesting that ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

The mischievous alien starred in a billion-dollar grossing film, sold more than $4 billion dollars in merchandise, and took ...

As the year draws to a close, we take a look at some of the biggest science stories of the year, and why they matter.