There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Uranus and Neptune are the two furthest planets in the Solar System and have been visited only once by human spacecraft – by ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

NASA's Artemis program is set to explore the Moon's south pole, a region of perpetual darkness holding clues to the solar ...

Get ready stargazers! The Orionid meteor shower peaks next week overnight on Oct. 20-21, bringing with it a flurry of ...

Just after midnight, the moon will light up the east-northeastern horizon, cozying up right next to Jupiter. Here's how and ...

When NASA’s Artemis astronauts land near the moon’s south pole, they may be stepping into a region that holds vital clues to ...

Previously undetected organic compounds have been found in ice ejected into space from Enceladus, making the satellite a ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...

Ancient Greek astronomer Aristarchus was the first who presented the heliocentric system, maintaining that the Earth revolves around the Sun.

More than 50 years after the Apollo 17 Moon rocks returned to Earth, researchers are still uncovered surprising new details ...