There are gas giant planets bigger than Jupiter, and extremely hot planets that orbit so close to their stars that a year ...

Astronomers hope to find clues to the origins of the Solar System in the unexpected nature of the object’s icy composition.

A letter signed by him is traveling through the cosmos aboard the Voyager Golden Record in interstellar space.

Mars’ strangely small mass still puzzles planetary scientists. Definitive answers as to why are still hard to come by.

Dell's Precision 3680 (starts at $1,129; $9,132 as tested) keeps starting costs lower by offering Intel Core instead of Xeon ...

Perseverance, NASA’s Mars rover, has completed a daring ascent of Jezero Crater's rim, tackling steep grades and rugged ...

BepiColombo, a joint mission by ESA and the Japan Aerospace Exploration Agency, JAXA, will make its sixth flyby of Mercury in January 2025. This maneuver will help the spacecraft enter orbit around ...

The Sunshine State, with its abundant year-round sunlight, seems destined to lead the nation in the adoption of renewable ...

The discovery comes just days before what is anticipated to be a bumper year for exoplanet discovery, with the James Webb Space Telescope scheduled to release more data.

NASA's Parker Solar Probe flew closer to the Sun than ever before. It traveled at 430,000 mph, making it the fastest ...

Asteroid-detecting AI algorithms have already identified 27,000 new pieces of space debris, bringing the known number to 1.3 ...