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

From small, eerie rocks to massive, nightmare-inducing worlds, we journey through the most terrifying planets in the universe ...

Earth exoplanets orbiting M-dwarf stars, identifying specific candidates that may have retained detectable atmospheres.

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

A distant world with carbon in its atmosphere and extraordinarily high temperatures is unlike any other planet we’ve seen, ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, billions of stars and their attendant planets. The universe teems with huge, ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Hubble reveals the largest planet-forming disk ever seen, Dracula's Chivito, showing a chaotic and uneven environment around ...

A letter to the editor bets on extraterrestrial life, while two others find fault with Huntington Beach City Council's agenda ...

Every Stargate spin-off TV series explores different corners of the Stargate universe, but some of them are indubitably ...

But that’s nothing compared with PSR J2322-2650b, an object the mass of Jupiter studied recently by the James Webb Space Telescope. This planet’s equatorial diameter is about 38 percent wider than its ...