The great planetary instability, which saw Jupiter and the other gas giants wander chaotically through the solar system, coincides with the collision that formed Earth's moon. Could the two events be linked?

Astronomers celebrated the Hubble Space Telescope's 34th anniversary with this stunning image of the Little Dumbbell Nebula — a vast cloud of gas containing one of the hottest white dwarf stars ever found.

Ultraviolet has very short and energetic wavelengths that are shorter than violet on the visible spectrum. But can people see UV?

Satellite images capture striking differences between the 2017 and 2024 total solar eclipses that swept across North America, including variations in the moon's shadow along the path of totality.

Bizarre worm that looks "like the rump of a pig from one side and Mick Jagger's lips from the other" may be in the middle of an evolutionary leap, scientists say.

Lasers have helped uncover ancient human-made structures the world over.