But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...

Most of what people casually call “the universe” is not where instinct suggests. Stars, planets and glowing gas clouds are ...

A thin shell of air wraps around Earth, stretching about 20 miles above the surface. This invisible veil is packed with tiny molecules that sustain life. Just beyond this fragile layer lies the ...

Astronomers using NASA’s James Webb Space Telescope have made a groundbreaking discovery about how dust forms in some of the ...

Update: NASA is now targeting a launch for Friday, March 7. Find the latest information on the mission here. How did the universe begin? How do planets form and galaxies develop? Could life exist ...

The University of Nebraska at Kearney Planetarium is inviting the public to explore the universe with a new lineup of ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.

Scientists analysing dark energy say the universe’s expansion may be slowing, raising the possibility gravity could ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA If you look across space with a telescope, you’ll see ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Chris Impey, University of Arizona (THE CONVERSATION) If you look across space with a ...