The Y chromosome, which distinguishes males from females at the genetic level, appeared some 180 million years ago, according to a new study published in Nature.
The quake hit at 8:10 p.m. local time. There were no immediate reports of damage or injuries. No tsunami warning was issued.
A lunar tetrad – four total lunar eclipses in a row – began on the night of April 14-15. People are calling it a Blood Moon eclipse. Here’s why.
A very slippery superfluid, that’s what spacetime could be like, say physicists.
Every so often, the International Space Station (ISS) becomes visible in your night sky. Here’s how you can spot it.
Earth Day is celebrated on April 22 each year. But why April 22?
Arctic sea ice reached its maximum extent for the year on March 21, 2014, according to the National Snow and Ice Data Center. It was the fifth lowest on record.
International Dark Sky Week runs April 20-26, 2014. Learn how to help celebrate and preserve the beauty of the night.
Advanced genetic analysis and statistical modeling have confirmed that early humans mated with Neanderthals.
A total eclipse moon has to happen at full moon. Outer planets are always near the full moon in their month of opposition. Mars reached opposition April 8 …
Some books say the upcoming series of eclipses is a harbinger of dire events. Jay Ryan, astronomer and Christian, explains why he’s not persuaded that “Blood Moons” are a sign of apocalypse.
Scientists are watching a giant mass of sub-surface water in the Pacific. When this water reaches the sea surface, it could set off a powerful El Nino.
Cameras mounted on the upper stage of a Soyuz rocket last week looked earthward during a satellite launch.
The NIST has launched a new hyper-accurate atomic clock for the U.S. time standard called NIST-F2. The clock uses a ‘fountain’ of cesium atoms to determine the exact length of a second.
… even seemingly contradictory ones, like “happily disgusted.”
For the second time in two days, a powerful earthquake has struck Chile. Today’s quake was 7.6 magnitude. It’s considered an aftershock of the 8.2-magnitude quake on April 1.
The first of three sets of solar particles are now en route to Earth and are expected to deliver glancing blows to Earth beginning April 1 and into April 2.
Scientists can create artificial nanostructures that can ‘bend light.’ But the challenge has been making enough of the material to turn invisibility cloaks into a practical reality.
Meteorologists said Hellen was likely to be “one of the most powerful tropical cyclones ever seen over the northern channel [of the southwestern India Ocean] since the satellite era (1967).”
The primary cause of a landslide is the influence of gravity acting on weakened materials that make up a sloping area of land.
Photos from friends around the world of the March 27 and March 28 pairing of the moon with Venus. Thank you, everyone, for posting!