A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Peculiar bursts of energy called chorus waves have been detected in deep space far from our planet, suggesting they could ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The dataset covers the period between September 2004 and December 2023 and will enable researchers to explore and model some ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

Graphic visualisation of NASA's Solar Dynamics Observatory (SDO) shows a vast 500,000 mile-wide coronal hole in the sun's ...

Scientists have captured faint magnetic signatures resulting from the tidal movement of seawater across the planet — and they ...

The car, launched in 2018 on a SpaceX rocket’s upper stage, is one of many human-made objects in deep space that could ...

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

Astronomers have retracted the discovery of a new asteroid after realizing the object was the remains of Elon Musk's Tesla ...