Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...

From ancient stargazers to modern-day space scientists, women have shaped our understanding of the cosmos. This crossword ...

Steward Observatory’s long running Public Lecture series aims to make the complex field of Astronomy accessible to everyone.

The film features interviews with Lee and archival appearances by the likes of Clark, Sagan, Ray Bradbury, and legendary ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

Hubble has captured a galaxy losing vital gas as it races through a crowded cluster, revealing how harsh cosmic environments ...

Big hitter Peter F. Hamilton has a new sci-fi novel out this month – and Booker winner George Saunders ventures into ...

Friday night into Saturday morning will see the Earth move between the sun and Jupiter, which will bring Jupiter as close to Earth as it will get in 2026. According to StarWalk, Jupiter will reach ...

Scientists detected gas at least five times hotter than previous theories had predicted inside a galaxy cluster from the ...