Here’s what alien astronomers would see if they looked at Earth
26 June 2018
Astronomers have used a spacecraft called DSCOVR to figure out what the inner solar system would look like to distant telescopes
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Premium
A mountain range on Saturn’s moon Iapetus may be a former ring
2 March 2018
Falling space debris should make craters on rocky surfaces. But on Saturn’s moon Iapetus, it might have created a belt of mountains around the equator
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13 November 2017
Our galaxy may have billions of habitable worlds. A proposal to spread life says we should use giant lasers and light sails to send microbes out to them
Weird orbits hint 'Planet Ten' might lurk at solar system edge
21 June 2017
Astronomers studying icy objects in a distant region called the Kuiper belt say an unconfirmed planet with similar mass to Mars could be responsible for tugging them out of alignment
