When scientists examined the 20 pound rock, they determine it probably was not a meteor. Officials believe it is a frozen ball of excrement and are having samples tested.
An increasing number of theoretical physicist think that our universe is only one among infinitely many — but this speculation is not based on sound logic, says guest commentator Sabine Hossenfelder.
We know that at the heart of pretty much every galaxy, there is a giant black hole. There is a lot that we know about black holes — and a lot that we don't know, says astrophysicist Marcelo Gleiser.
A meteor streaked over southeast Michigan Tuesday night, creating a sonic boom so loud it shook houses. After seeing the spectacle in the night sky, thousands of people took to social media to share what they witnessed.
The space rock punched through the clouds near Detroit just after 8 p.m. with a boom that shook houses and registered magnitude 2.0 on U.S. Geological Survey instruments.
The cosmic sinkhole is at the center of a galaxy 800 million light-years from Earth and supports the theory that such objects can switch their power output on and off in relatively short time-scales.
Norishige Kanai said he had grown up to 3 1/2 inches since arriving in space, sparking worry about whether he'd fit in the spacecraft home. Turns out, Kanai did grow, just not that much.
The multi-billion dollar satellite, launched by SpaceX, was initially thought to have made a successful low-Earth orbit, but there have been several unconfirmed reports since indicating it is lost.
The launch of the top-secret Zuma satellite into an undisclosed orbit ended with yet another pinpoint landing for the Falcon's first-stage booster, which will be reused.
One of NASA's most accomplished astronauts died Friday. He flew in space six times, including a moon landing, and later headed the office that chose crews for space shuttle missions.