Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

Stars are known for being some of the largest objects in the cosmos, with some clocking in at upwards of 1,700 times the size ...

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

Discovered in Niger in 2023, the rare chunk weighs 54 pounds and represents more than 6 percent of all Mars material on Earth ...

WASHINGTON, June 25 (Reuters) - In addition to providing a trove of information about the early universe, the James Webb ...

What makes the biggest planet so massive? California closes $12 billion budget deficit with hit to migrants ‘MASH' Cast Members We've Lost: Honoring the 4077th's TV Legends Tour pro reports rules ...

Scientists have discovered a new "super-Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

The James Webb Space Telescope, for the first time, has discovered an exoplanet.

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the ...