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

The estimated lifespan of the outer solar system has been downgraded from 100 billion years to just a few billion years, ...

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

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

Earth will be long gone by then, but new research shows the outer planets will be thrown out too, and a billion times earlier ...

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

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

In a new study, researchers measured subtle variations in iron, titanium, and chromium isotopes in Bennu grains. Their ...

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

Protoplanets and planetesimals are both planetary building blocks, but they differ in size. Planetesimals are solid, ...

Bennu is a small, near-Earth asteroid that makes a close pass to Earth every six years or so. Scientists believe Bennu might have broken off from a much larger carbon-rich asteroid about 700 million ...