Earth and Mars were formed from inner Solar System material

Cropland has gobbled up over 1 million square kilometers of Earth’s surface

Astronomers have produced the most comprehensive image of radio emission from the nearest actively feeding supermassive black hole to Earth. When viewed from Earth, the eruption from Centaurus A now extends eight degrees across the sky—the length of 16 full Moons laid side by side.

Solar storm may amp up northern lights before Christmas