WASHINGTON — Fewer giant asteroids are out in space than once thought and most of the biggest near-Earth asteroids have been found, leaving little threat of one smashing into the planet, NASA said Thursday.
WASHINGTON — US astronomers said Thursday they have discovered the first planet that is orbiting two Suns, much like the fictional home of Luke Skywalker featured in Star Wars.
PARIS — A planet orbiting a distant star is darker than coal, reflecting less than one percent of the sunlight falling on it, according to a paper published on Thursday.
