The Grand Canyon is missing one billion years' worth of rocks, and the breakup of the ancient supercontinent Rodinia may be responsible, according to a new study.

Scientists now understand the composition of Earth a little better thanks to new study.

LP 40-365 will probably leave the galaxy at some point, scientists say.

Astronomers have imaged an extraordinary black hole picnic of cosmic proportions.

Earth is spherical, but what would happen if the Earth were flat? We explore some of the bizarre implications of a flat world which would make life as we know it virtually impossible.

The search for extraterrestrial technology is "daring to look through new telescopes."

The circumplanetary disk has the potential to form numerous elusive exomoons.

The rotation of the Milky Way bar has slowed by almost a quarter since its formation.

Join astronaut Terry Virts as he discusses what matters on planet Earth with a range of interesting guests

Scientists have discovered how electrons gain enough energy to cause phenomenal auroral displays.

Scientists have used the world's oldest crystals to determine the age of modern plate tectonics.

The newly discovered exoplanet is three times as massive as Earth.

Two decades' worth of Antarctic research reveals 5,200 tons of extraterrestrial dust lands on Earth each year.

NASA's long-serving Hubble Space Telescope is seeing double after detecting two rare pairs of quasars nestled within galactic collisions that occurred 10 billion years ago.