It's hard to remember now, but there was a long period of time in which scientists weren't sure how many planets might actually exist throughout the galaxy, much less how likely it might be to find a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A selection of exoplanets that orbit in the habitable zone around their stars — where water can ...

The search for Earthlike, habitable planets beyond the Sun has been something like a boulder rolling downhill ever since the Kepler space telescope went into orbit in 2009. Before that, ground-based ...

Engineers have designed a compact, battery-powered radio probe that could help unlock the secrets of alien planets. The proposed small probe, known as the Gravity Imaging Radio Observer (GIRO), would ...