A surprising factor in the extinction of the dinosaurs may have been how long their eggs took to hatch

SpaceX is now targeting Jan. 8 for its return to flight after completing its investigation of a September launch pad explosion that destroyed a Falcon 9 rocket and a commercial communications satellite.

The world’s oldest known killer whale, affectionately known as Granny, is missing and presumed dead, researchers say. Estimated to be over 100 years old, the matriarch’s official name was J2.

Early each January, the Quadrantid meteor stream provides one of the most intense annual meteor displays, with a brief, sharp maximum lasting only a few hours.

A large section of the 26-acre lava delta formed by the 61g lava flow collapsed into the ocean around 2:45 p.m. on New Year’s Eve, launching showers of volcanic rock into the air, and creating a flurry of large waves that eroded away a portion of the …

With a new year and a new president on the way, NASA is scheduled to have a big year ahead of it in 2017 with the potential for a major shift in the program’s operations that could see an increased partnership with billionaires and private space programs.

Stargazers looking up at the Moon last night may also have spotted a Venus visible to the naked eye shining brightly below it. Many social media users have shared photos of the second planet from the Sun in the night sky, with many confused amateur …

It took a lot of heavy lifting, three transport vehicles, and a few mugs of hot cocoa from a nearby resident to keep warm and motivated.

On Aug. 21, the moon will completely blot out the sun for observers in 12 states, from Oregon to South Carolina, in the first total solar eclipse visible from the United States mainland since 1979.

The space agency wants to make use of a resource the planet already has in abundance. 01/02/2017 03:25 pm ET | Updated 6 hours ago.

Donald Trump’s “policies” don’t really exist in any conventional or coherent sense, but his promises, pledges and appointments so far tell us enough to know that he’s devoted to the kind of bubble economics that ultimately can only burst.

This artist rendering shows NASA’s next generation of moon rockets being developed at the Marshall Space Flight Center in Huntsville, Ala.

Lounging in the shade of a tree, Heathcliff the cheetah oozes sleek grace and power, but he is captive behind a wire fence—perhaps the only way that cheetahs will exist in a few decades’ time.

The space agency’s comet-hunting NEOWISE mission spotted a comet incoming this week and another that is set to enter Earth’s orbit in February.

DEL RIO, Texas (AP) – A fossil found in limestone along a remote South Texas riverbed could be that of a dolphin-like reptile that swam in oceans 90 million years ago, according to paleontologists.

The material, which was inspired in part by the regenerative ability of the comic book antihero Wolverine, could someday be used to improve the lifespan of electronic devices or develop self-repairing robots.

The 32nd Annual Cheboygan Christmas Bird Count was held on Dec. 18, 2016. The count was sponsored by the Straits Area Audubon Society of Cheboygan, in cooperation with Michigan Audubon Society.

(CNN) It looks like a Transformer, moves like a Transformer and with a name like Method-2, it even sounds like a character from the blockbuster franchise.