If the sun is not a member of a binary or multiple star system, it is among the minority of stars. Yet if the sun has a companion, no one in thousands of years of observing has found it. It must be ...

Of all the abductions, this one is different.

Did our sun once have an ‘evil twin’ called Nemesis – which wiped out the dinosaurs by triggering an asteroid strike millions of years ago? Astronomers have long sought proof of a ‘twin’ star – and ...

Debris disks discovered around two nearby stars look strikingly like the Kuiper Belt in the outer part of our solar system, astronomers said Thursday. The disks were found in a survey of 22 sunlike ...

THE Sun had an evil twin called Nemesis, that put a massive rogue asteroid on a collision course with Earth. Two highly-respected stargazers from the University of Berkeley and the Smithsonian ...

Astrobiology Magazine – Is our Sun part of a binary star system? An unseen companion star, nicknamed “Nemesis,” may be sending comets towards Earth. If Nemesis exists, NASA’s new WISE telescope should ...

Over the last 500 million years or so, life on Earth has been threatened on many occasions; the fossil record is littered with extinction events. What’s curious about these events is that they seem to ...