Scientists discover a lemon-shaped planet with something they've never seen before ...

Airplanes form invisible ice clouds that trap heat. Study explains why contrails matter and how aviation warming has been ...

Air pollution in India is no longer a winter irritant confined to the northern plains. It has become a persistent, nationwide public health emergency that affects every demographic group and nearly ...

Instead of electrons in a solid, the researchers used Bose–Einstein condensates (BECs), ultracold gases in which atoms behave ...

U.S. air travelers who haven't upgraded to a Real ID can still fly without one, but starting Feb. 1 they'll be charged a $45 fee, the Transportation Security Administration said Monday. Flyers without ...

Warmer waters are fueling stronger, snowier storms—at least for now. Here’s how scientists think this phenomenon will evolve as the planet gets hotter. Steam is seen rising off a frozen Lake Michigan ...

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...