DNA evidence shows that the now-famous -- and extinct -- dire wolf species couldn't mate with gray wolves.
North America’s “top dog” traveled a lonely evolutionary path
NASA's Curiosity rover just celebrated its 3,000th day on Mars by taking a remarkable picture of the Red Planet.
Physicists have long assumed that the universe is pretty much the same in any direction, and now they’ve found a new way to test that hypothesis:...
J0313-1806 is a cosmic treasure.
One secret is their specialized hind wings.
Observations from New Horizons at the edge of the solar system indicate there may be fewer galaxies than we thought.
Roughly every 114 days, almost like clockwork, a galaxy 570 million light-years away lights up like a firework. Since at least 2014, our observatories have recorded...
What's the right gift for a 3,000-Martian-day anniversary? Rocks?
Experts looking forward to tasting some of the 12 bottles of Bordeaux that will splashdown in the Gulf of Mexico via a SpaceX Dragon capsule