New kind of searing, molten super-Earth exoplanet revealed

View larger. | An artist’s concept of the star L 98-59 and its 3 exoplanets. At…

A comet breaks apart, and Hubble sees it happen

A comet breaks apart in this series of images from NASA’s Hubble Space Telescope. The comet…

What makes a halo around the sun or moon?

We tell you all you need to know about halos in our YouTube video here. Don’t…

‘Completely bonkers’ collision of 2 exoplanets observed

Artist’s concept of a collision of 2 exoplanets. Light from the collision in a star system…

Will this new telescope find them?

View larger. | Artist’s illustration of a new telescope conceived for seeking other Earths. It would…

Our sun might be a migrant from the inner Milky Way

A new study suggests our sun might be a migrant from a more central region of…

Surprise! Interstellar comet 3I/ATLAS bursting with alcohol

Artist’s concept of interstellar comet 3I/ATLAS passing near our sun, with the sun illuminating one side…

Why are the Voyager spacecraft getting closer to Earth now?

View larger. | Both Voyager spacecraft are rushing away from Earth and into interstellar space. Yet…

Why no radio signals from aliens? Is space weather to blame?

The Very Large Array is a collection of 27 radio antennas located near Socorro, New Mexico.…

Gravitational waves discoveries surge in new catalog

This computer simulation shows the merger of 2 black holes. As the black holes spiral toward…