By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

The exoplanet, dubbed PSR J2322-2650 b, has a helium-and-carbon atmosphere, something researchers say they've never seen ...

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

Nestled 1,000 light-years from Earth, a massive, chaotic disk is offering scientists a unique glimpse into the birthplace of ...

NASA’s Hubble Space Telescope has spotted the biggest planet-forming disk ever discovered. The finding reveals violent chaos ...

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Astronomers have discovered a bizarre lemon-shaped exoplanet with extreme heat and a carbon-rich atmosphere, leaving experts unsure how it even formed.

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals. When you purchase through links on our site, we may earn an ...