A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Dr. Souran Chatterjee, from the University of Plymouth, has made a major contribution to a second United Nations report ...

Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.

The dwarf planet Ceres has a diameter of almost 1,000 kilometers and is located in the asteroid belt. In the television ...

What’s the difference between an asteroid and a comet? A comet is basically a dirty iceball composed of rock and ice.

Why people feel bad when the economy is good. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions on our website or ...