What will happen to Earth when our Sun burns out? A newly discovered planetary system 4,000 light-years away might hold the ...

The $1.6 billion mission is an extremely complicated engineering challenge and will make gravitational wave detections in ...

According to a new study, if a primordial black hole passed within a few hundred million miles of Mars, it could shift the planet's orbit by about a meter -- causing a "wobble." ...

A new mini-moon the size of a city bus will begin circling our planet and hanging out in our skies until Thanksgiving week.

The discovery of an Earth-like planet 4,000 light years away in the Milky Way galaxy provides a preview of one possible fate ...

This collage highlights a small selection of regions of the Milky Way imaged as part of the most detailed infrared map ever ...

Nathalie Cabrol's book, "The Secret Life of the Universe: An Astrobiologist's Search for the Origins and Frontiers of Life" ...

It’s an exciting time for astronomy enthusiasts as Earth will temporarily get a second moon for almost two months. A recent ...

Mars wasn't always the cold desert we see today. There's increasing evidence that water once flowed on the red planet's ...

The Extremely Large Telescope or ELT will be the most powerful optical telescope ever built. When it opens for business in 2028, it promises to reshape our view of the cosmos. Astronomers from more ...

A new astronomy discovery center at the Lowell Observatory in Flagstaff is near completion and our photojournalist Levi Pettigrew took a behind the scenes look.

Amgen shares fell 4.5% after the biotech revealed disappointing study results for two closely watched drug candidates. The company, in a call with analysts and investors, reported positiv ...