All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory.

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

THE explosion of a distant star light years away could be visible to Earthbound stargazers this week. The star system, tucked ...

The solar system was packed with 50 to 100 protoplanets billions of years ago. Not all of them lived to tell the tale of the ...

Planets don't get much more iconic than Saturn. But if you managed to see it through a backyard telescope right now, you wouldn't see its rings.

Outlining plans for living and working on Mars, the space agency is focusing on oxygen, food, water, power, spacesuits, ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

Once its rings vanish from sight in March 2025, Saturn will look like a pale yellow sphere through most telescopes.

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star – one of our closest stellar neighbors – though they concluded that all of them are too hot to harbor life, much ...

Even though Venus moves between the Earth and sun every 19.5 months, it becomes visible after sunset and before sunrise only ...