Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

This collection celebrates the 30 th anniversary of the detection of the first planet outside our Solar System orbiting a main sequence star. Experts reflect on the impact of various milestones in ...

New multi-temperature coronal mass ejection observations might help us better understand how life emerged and evolved on Earth ...