It was the darkened morning hours of July 6 when Christian Varady saw the fireball falling from the sky, a momentary streak of fiery light that appeared above his Cantonment home without a sound. "To ...

Earth is often described as a water world, but how that water arrived has never been settled. For years, the focus has rested on asteroids and comets delivering hydrogen long after the planet formed.

A rare meteorite recovered from Alaska is prompting scientists to rethinkhow Earth got its water. New findings suggest our planet may have had the hydrogen needed to form water on its own, without ...

Illustration of a fireball passing in front of the moon as it crosses through Earth's atmosphere. Fireball meteors fall on the Earth every day but it's rare to see one in the daytime. Illustration by ...

Auction house Sotheby's will be hosting its annual Natural History sale in New York City on July 16, which features "...a carefully curated selection of dinosaur and non-dinosaur fossils, meteorites, ...