Asteroids are some of the oldest objects in the solar system: leftovers from the chaotic time when planets were assembling ...

Researchers have devised a new tool for discerning between naturally occurring viral outbreaks and those resulting from lab ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Over 4 billion years ago, as planets were coalescing around the newborn Sun, our star may have gone on an epic road trip across the Milky Way along with thousands of stellar "twins." And we may owe ...

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago.

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

Google Earth’ for human organs made available online An international team of scientists and clinicians has announced, in ...

We’ve had things that have reentered have a 1 in 1,000 chance, and nothing happened; if we have a few that are 1 in 4,000 or ...

A half-century ago, George Clinton debuted a $500,000 spaceship that turned his live concerts into intergalactic journeys.

The precipitation of salt out of sea ice created a feedback mechanism that might explain the formation of Snowball Earth, the most extreme climatic event in the history of our planet. The idea, ...

Astronomers detect a rare planetary collision 11,000 light-years away, offering new clues about how planets and moons form.

Scientists have uncovered new clues about some of Earth’s earliest fish, shedding light on the ancient origins of vertebrates ...