A distant star has just been caught in the act of destroying one of its own worlds, a violent finale astronomers have long ...

Billions of years ago, Earth was an uninhabitable rock covered in magma. Scientists are still working to decipher the tale of how it transformed into a blue and green orb teeming with life. However, ...

Over four millennia ago, in the final days of the Akkadian Empire in Mesopotamia, a drought swept over the region, afflicting lands as far away as Greece and what’s now Pakistan. Probably driven by ...

In April 2029, a 20-million ton asteroid once thought to pose a potentially catastrophic collision risk with the Earth will fly by our home. Apophis, named for the Egyptian god of chaos and evil and ...

Earth's tropical rain belt, responsible for monsoons that sustain billions of people and vibrant ecosystems, has long been a reliable feature of the planet's climate. But new research reveals this ...

Early in 1993, a manuscript landed in the Nature offices announcing the results of an unusual — even audacious — experiment. The investigators, led by planetary scientist and broadcaster Carl Sagan, ...

I remember working on my first Earth Day project as a kid in elementary school in Massachusetts, constructing two huge, makeshift Styrofoam spheres showing what our planet looked like at that time and ...