There's an iconic scene in the original Star Wars where Mark Hamill's Luke Skywalker watches a double sunset above Tatooine, ...

An oddity among exoplanets, L 98-59 d is (so far) in a class all its own, but astronomers expect powerful new telescopes will ...

The search for Earth 2.0 has begun in earnest. But there's a huge variety of exoplanets out there, so narrowing down the search to focus valuable telescope time on only the best candidates is critical ...

The Webb telescope has detected a dark, atmosphere-less rocky exoplanet that could shed light on how Earth-like worlds die.

Somewhere beyond the orbit of Neptune, a ball of ice roughly 300 miles wide is doing something it shouldn’t be able to do: ...