NASA upgrades chances of asteroid 2024 YR4 hitting Earth - now the highest in agency’s history Leonard Peltier, Native ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Astronomers use planetary alignment to describe the phenomenon when planets gather closely on one side of the Sun at the same ...

A parade of seven planets is set to appear in the night sky this month, and it will be the last of its kind until 2040.

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

"Pale Blue Dot" – one of the last photos taken by Voyager 1 – is still the most distant image of the Earth. Astronomer Carl ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

REx mission found minerals on asteroid Bennu that match California’s Searles Lake, offering clues about ancient water, ...