The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

Pale rocks on the red planet reveal a watery past and suggest the potential for life. Sometimes, scientists have to dig, work ...

On March 29, the Moon will wedge itself between the Sun and Earth, blocking only a part of the star from our view.

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

NASA is tracking a bus-sized asteroid that will be zooming past the Earth today at a speed of nearly 28,028 miles per hour. The space rock, known as "2025 FO6," is estimated to be about 35 feet across ...

The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...

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

Astronomers should search for technosignatures on planets that are not conducive to life. Harvard astronomer Avi Loeb ...

Mickey 17 is the latest feature film from visionary director Bong Joon Ho. Like many of Ho's work, the film's conclusion is quite enigmatic.

The angle from Earth means these planets do not appear to pass in front of their star, so the usual tests to identify rock or gas are out of reach. However, these orbits are probably far too close to ...

Using the James Webb Space Telescope (JWST), researchers have generated the first-ever weather report of a rogue exoplanet-like ... "[I]t's not a planet in the traditional sense — since it ...

Earth's atmosphere is a blanket of gases, primarily nitrogen and oxygen. But other planets in the solar system have very different atmospheres. For example, Venus' air is much thicker than Earth's ...