Astronomy

Extreme weather is front-page news. But what are the phenomena behind the headlines?

Using the Hubble Space Telescope, astronomers have discovered a new rogue planet that was orphaned from its home planetary system. The discovery was possible with a little luck and some help from Einstein.

Using data from several Earth-observing satellites, including ESA’s CryoSat and the Copernicus Sentinel-1 and Sentinel-2 missions, scientists have discovered that a huge flood beneath the Greenland Ice Sheet surged upwards with such force that it fractured the ice sheet, resulting in a vast quantity of meltwater bursting through the ice surface.

An iron-air battery in the Netherlands, which can store energy for 100 hours or more to make renewable power sources more consistent, has become the world’s first “rust” battery to connect with an electricity grid

An iron-air battery in the Netherlands, which can store energy for 100 hours or more to make renewable power sources more consistent, has become the world’s first “rust” battery to connect with an electricity grid

A SpaceX Falcon 9 rocket carrying 28 Starlink satellites was launched from Cape Canaveral Space Force Station in Florida on Tuesday, July 29, 2025.

Tsunami warnings and advisories were issued around the Pacific Ocean after a magnitude 8.8 earthquake struck off the coast of Russia, the largest earthquake since the 2011 earthquake and resulting tsunami in Japan

Gilmour Space made history today (July 29), conducting the first-ever orbital launch attempt with an Australian-built rocket. That vehicle, named Eris, didn't get very far.

Have you ever seen a fireball?

A battery made from cheap and non-flammable iron and salt could provide emergency power in one of California’s high wildfire risk zones

A battery made from cheap and non-flammable iron and salt could provide emergency power in one of California’s high wildfire risk zones

SpaceX has moved its Starship spacecraft to the launch pad for testing ahead of the vehicle's 10th flight, which is expected to take place next month.

An analysis of thousands of forest plots reveals an underappreciated link between animal biodiversity and carbon storage

An analysis of thousands of forest plots reveals an underappreciated link between animal biodiversity and carbon storage

James Cameron's third Avatar movie is turning the rules upside down, introducing a nefarious Na'vi clan as the human invaders go all-out.

India will launch the NISAR Earth-observing spacecraft, a joint effort of ISRO and NASA, on July 30, and you can watch the action live.

Unfairly dismissed as a flop on release, 'Waterworld' is a spectacular example of the '90s action genre. If only they didn't give him gills…

The BOAT is the ruler of all gamma-ray bursts, releasing as much energy in seconds as the sun will in 10 billion years — and it could be revealing the secrets of these extreme cosmic blasts.

Living in space changes the human body — but arteries seem particularly resilient to microgravity's effects.

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar to claims made about 'Oumuamua. But experts have called it "nonsense".