Astronomy

Using the James Webb Space Telescope, scientists mapped the ultra-hot Jupiter WASP-18b in three dimensions, uncovering a blistering hotspot where water molecules are torn apart.

The interstellar comet 3I/ATLAS will make its closest pass to the sun on Oct. 30, and various spacecraft will be watching, seeking clues about the icy wanderer's chemistry and composition.

An unexpected monster black hole was found hiding inside one of the Milky Way’s tiniest neighbors, rewriting what scientists thought they knew about how small galaxies hold themselves together.

A massive coronal mass ejection erupted from the sun's far side late on Oct. 21, 2025 and was captured by a NOAA coronagraph.

Space agencies around the world are planning moon missions that will depend on water ice for resources, but much remains unknown about its availability of water ice on the lunar surface.

A haunting grin appeared on the sun as bright active regions and dark coronal holes combined to create a jack-o'-lantern face just in time for Halloween.

Siddharth Patel has been watching the sky since the age of five. Fresh off two possible asteroid discoveries, he's taking a big step toward his astronaut dream.

An innovative technique for measuring the force acting on individual grains of sand could help scientists uncover how winds have shaped the surface of Mars.

Gravitational wave detectors on Earth have heard the "cry" of two newborn black holes with some unusual and remarkable properties.

On Earth, CI chondrites make up only 1% of all meteorites that have been collected, but they may be far more common on the moon.