The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

A giant world orbiting a distant sun-like star has given astronomers an unexpected glimpse into the weather systems of some ...

Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...

NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden within the ancient ...

Every June 30th, Asteroid Day marks the anniversary of the 1908 Tunguska impact and turns global attention to the science of ...

It implies or requires that the angrite parent body had to be big, but the question is, where is it now?” CU Boulder ...

Every time I see the moon in the sky, it makes me happy. The big picture of the moon’s origin is fairly well established.

Observations of the fast-moving interstellar comet with the Very Large Telescope in Chile support similar observations made ...

James Webb found Neptune's moon Nereid has an unusual icy surface, suggesting it formed alongside the planet instead of being captured later.

Two diamonds formed 700 kilometers below the Earth's surface reveal a life-giving synchronicity between shifting continents ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...