Photographs from the first days of the Chernobyl disaster and of the aftermath years later show the response, the evacuation ...

COLORADO SPRINGS–Thirteen years ago a 20-m asteroid streaked without warning into Earth’s atmosphere before exploding over the Russian city of Chelyabinsk, injuring 1,500 people and causing widespread ...

After several tests of unusual “nesting doll” satellites in low-Earth orbit, Russia is now fielding operational ...

NASA astronaut Jessica Meir captured a stunning photo of the Lyrids meteor shower from the International Space Station.

NASA astronaut Jessica Meir captured a stunning photo of the Lyrids meteor shower from the International Space Station.

Could we deflect an asteroid to stop it from hitting our planet?

Sweden is in talks to send Ukraine the Meteor, Europe's most capable beyond-visual-range air-to-air missile, and it could fundamentally disrupt how Russian jets operate. Here's what the Meteor ...

Exciting filly Extragalactic made it two wins from as many starts this campaign, showing a sizzling turn of foot to claim her first Melbourne victory at her fifth start. The daughter of Deep Field was ...

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Scientists estimate there are thousands of asteroids large enough to destroy a city near Earth. NASA is sending a telescope into space to find them.

Favourite backers got off to a great start with Ciaron Maher's Mukhtalif and Michael Kent's short-priced favourite Terilee saluting in the first two races. However, from there it was mostly downhill ...