Right after sunset, the largest and smallest planets are near neighbors in the sky. Jupiter, the brighter of the two, is a ...

Europa may host microbial life when the sun transforms into a red giant s Solar and Jupiter heat may melt Europa's ice and ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

For decades, Pluto was thought to be just another frozen rock spinning around the Sun, far from the action and mystery of the ...

The icy surface of Europa, one of Jupiter's moons, has captured scientists' attention. Compounds like carbon dioxide and salt ...

Nasa’s Europa Clipper spacecraft will loop around Jupiter on a course that will carry it by Europa 49 times over four years ...

But a team of scientists has created a new way to answer whether aliens exist. Daniel Apai, an astrophysicist and ...

In approximately five billion years, as the Sun transforms into a red giant, it will engulf Earth. However, a new study ...

Ever wonder how NASA captures stunning images from deep space probes? Interplanetary scientist John Spencer takes us behind ...

In approximately 4.5 billion years, as the sun transforms into a red giant and engulfs Earth, Jupiter's moon Europa may offer ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple ...