Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, ...

Webb Telescope heavy hydrogen in 3I/ATLAS reveals rare deuterium-rich chemistry and a possible ultra-cold alien origin.

The US government's registration of alien.gov and aliens.gov has triggered global speculation about a potential UFO ...

The spud's alien-like root growth has prompted some conspiracy theories.

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

American lawmakers are demanding answers from the Trump administration after a Canadian man says U.S. customs officers held ...

By applying machine learning to vast TESS datasets, researchers have built one of the most precise catalogs of nearby exoplanets to date.

The sun will come ...

After years of discovering exoplanets at a staggering pace, astronomers are now starting to distinguish the simply ...

Curious about what happens to Ryland Grace and Rocky at the end of Project Hail Mary? The final act reveals a critical choice ...

A meteor streaked across Cleveland, causing a sonic boom and sparking humorous alien jokes. NASA confirms the meteor ...