By Will Dunham WASHINGTON (Reuters) -In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

NEW YORK — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday.

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea, says Abigail Beall ...