You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 ...

Mars is the fourth planet from the sun, and the second closest to Earth (Venus is the closest). But the distance between Earth and Mars is constantly changing as they orbit the sun. In theory ...

In 1995, astronomers confirmed the discovery for the first time of a brown dwarf, a body too small to be a star and too big ...

Though they can't see the moon itself, the exoplanet it's thought to orbit is accompanied by a large ... The cloud was unusual: While a planet can produce its own salt-rich clouds, this one ...

After doing a little orbit of the Earth, travelling to various different cities on the planet over the past two years, artist Luke Jerram’s giant globe is back at Southwark Cathedral. The huge seven ...

The ambitious mission won't actually look for life, but it should find out if the presumed ocean provides a habitable environment.

Mars experiences a dynamic seasonal change in its ice caps, causing fascinating geological formations. The European Space ...

Scientists have been observing a brown dwarf for decades, and now they have discovered that it is actually two dwarfs ...

A spacecraft blasted off Monday to investigate the scene of a cosmic crash. The European Space Agency's Hera spacecraft ...

Trojan asteroids are a class of asteroids that occupy a stable Lagrange Point in a planet’s orbit around the sun. According to NASA, a Lagrange Point is essentially a position in space where ...

As part of an international planetary defense effort, Hera is set to launch aboard a SpaceX Falcon 9 rocket from Cape ...

As you may recall from a recent column, the final fate of Earth depends on the last stages of the sun’s life, its red-giant ...