Scientists detect a solid inner core on Mars for the first time, revealing a new chapter in planetary evolution.

Country songwriter Brett James’ wife and stepdaughter named as additional victims in fatal plane crash Nearly 1000 Tourists Trapped Near Machu Picchu, Hundreds More Evacuated ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Astronomers using NASA’s Hubble Space Telescope have witnessed a rare cosmic meal: a white dwarf star consuming pieces of a ...

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

Saturn is about to make its closest approach to Earth, and that means you might be able to see its rings — if you have a telescope, that is.

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

A rare and complex rocket launch mission that will send three scientific payloads into space aboard a single rocket on September 23.

While opposition itself is a one-night event, taking place on Sept. 21, Saturn's glow won't fade quickly. The planet will ...

NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ...