Supernovas happen when giant stars, far larger than our sun, burn through their fuel and collapse under their gravity.

When Richard Owen rallied the British Museum trustees to create a separate building for their ever-growing catalogue of the natural world 150 years ago, his vision was a ‘cathedral to nature’ – and ...

The human fingerprint on global warming was likely evident in Earth’s atmosphere far earlier than previously thought—even ...

These explosions, called extreme nuclear transients, shine for longer than typical supernovas and get 30 to 1,000 times as bright.

Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and that may explain why long-range computer forecasts keep underestimating ...

This serene spiral galaxy hides a cataclysmic past. The galaxy IC 758, shown in this NASA/ESA Hubble Space Telescope image, ...

Models suggest that human-caused global warming would have been detectable in the 19th century with today's know-how.

A pair of European satellites have created the first artificial solar eclipses through precise and fancy formation flying.