Astronomers have detected the first confirmed radio emission coming directly from a planet outside our solar system.The ...

Two headline deals suggest space-based solar power is moving from concept to commercial reality: a Pentagon contract and a 1 ...

Earth and Mars may have formed through different mixtures of planetary building processes, despite developing side by side.

According to a new study, the Solar System may break apart within about 6 billion years as the dying Sun’s uneven mass loss destabilizes the outer planets.

Earth and Mars may have started from the same cosmic cloud, but a new study explains how their formation took different paths ...

A nearby star system with two suns could potentially support an Earth-sized planet in a region where liquid water could exist ...

The universe is certainly not full of worlds like Earth,” said Christopher Graney, a scholar at the Vatican Observatory.

Looking for the real-time distance between Earth and the Sun? Find out the Sun's current distance with our reliable and ...

Earth and Mars emerged from the same young solar system around 4.5 billion years ago, yet they may have been assembled ...

Learn about the first-ever radio signal detected from an exoplanet, a discovery that may have important implications for ...

Astronomers say they have have detected a radio emission from Beta Pictoris b, an exoplanet 63 light-years from Earth, ...

Ryugu's parent body came together under 2 million years after the solar system's first solids, before the beads in other ...