EXPERTS have spotted a potentially habitable new planet that might be “remarkably similar to Earth”. But there is one chilly catch – scientists believe temperatures may below -70C. HD 137010 b, as ...

SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might even be within its host star’s “habitable zone”, but there’s a big problem ...

It's one of the biggest unanswered questions in science: are there aliens out there, and if so, where are they hiding? Now, a discovery by NASA has raised the tantalising possibility that we're not ...

A faint signal from old telescope data is causing a stir in astronomy: a planet barely larger than Earth, with an almost ...