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 ...

Using HARPS and HARPS-N spectrographs, astronomers have observed a nearby K-type star designated HD 176986, known to host two super-Earth exoplanets. The observations resulted in the discovery of ...

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