Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...

This advanced assembly includes a state-of-the-art primary mirror, designed to capture and focus faint infrared light from ...

The latest congressional UFO hearing featured testimony from former military personnel who said that government secrecy hides ...

Stars should be everywhere in space photos, right? Wrong! Learn why the cosmos often looks empty in images from space ...

Astrophysicist Suzanna Randall explains where the elements in our body come from in this episode of "Starlight" from the European Southern Observatory. Credit: ESO Directed by: Martin Wallner, Luis ...

"Studying the rate at which galaxies formed lets us directly test our theories and, so far, we’re lining up with what general ...

The latest congressional UFO hearing featured testimony from former military personnel who told representatives that ...

Earlier this month, Travel Agent journeyed to Egypt for the ch | Travel Agent traveled to Egypt with Viking—staying in two ...

This marked the start of a career that would forever redefine humanity’s understanding of the cosmos. Edwin Hubble ... unveiling new mysteries | See pics ...

Ultimately, Gebhardt and other astronomers hope to use AI to probe one of the big questions looming in the night sky: Why ...

Carl Sagan at his Cornell University laboratory in Ithaca, N.Y., in 1974. Santi Visalli, Inc./Archive Photos via Getty Images On Nov. 9, 2024, the world will mark Carl Sagan’s 90th birthday ...

On Wednesday, a new slate of witnesses provided fresh testimony to Congress on UFO sightings and what the government may (or may not) know about them.