When we gaze into the night sky, we see a tiny fraction of what lies beyond our Solar System. In the vastness of space, our Sun and its planets are but a speck of dust. There are thousands of stars ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

Telescopes allow scientists to analyze starlight passing through distant planets’ atmospheres, revealing clues about their ...

NASA's Curiosity rover has discovered carbonate-rich rocks on Mars, offering insights into the planet's past and possibly explaining why life has never been found there.

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery ...

Recently two new observatories — NASA's SPHEREx and the Vera C Rubin Observatory — released their first images.