From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope image. Up close, the exoplanet HD 189733b is a brutal laboratory of alien ...
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 raising the tantalising possibility that we're not alone ...
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 ...