The Very Large Telescope (VLT) detected significant nickel vapor but almost no iron in the interstellar 3I/Atlas comet.

Authoritarians have long feared and suppressed science as a rival for social influence. Experts see President Trump as ...

In this quiz, you’ll test your knowledge of Neptune's features, moons, and the science that keeps astronomers fascinated.

Astronomers have spotted 3I/ATLAS, just the third interstellar object ever seen in our solar system. Bigger, faster, and possibly far older than ‘Oumuamua or Borisov, this icy traveler could help ...

Early Earth may not have had the right ingredients for life — until a nearby Mars-size planet crashed into it, two new studies hint.

Asteroid Bennu’s samples show how surface exposure drives color changes and reveal phosphates and organics linked to life’s origins.

Called 3I/ATLAS, the comet is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system ...

A first-of-its kind AI-powered model attempts to better predict space weather and its impacts. The model — called Surya, for ...

Record-setting solar flare images show ultra-thin magnetic loops, a discovery that could sharpen predictions of space weather threats.

Scientists have developed a new technique that could help them understand "polka dot" stars using the transits of exoplanets.

The aurora borealis has been remarkably bright recently. Space weather physicist Tamitha Skov reveals what's going on and how ...

A team led by University of Arizona astronomer Laird Close has discovered a growing planet outside our solar system, marking ...