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Watch 2nd spacewalk of 2018 live on Monday
Watch on January 29, as two astronauts aboard the International Space Station (ISS) perform the year’s 2nd spacewalk. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at about 12:10 UTC (7:10 a.m. EST).
January 28, 2018
Swollen Seine causing Paris floods
Eastern France experienced unusually heavy rainfall throughout January 2018, and last week the Seine, in Paris, began a precipitous rise. Videos here.
January 27, 2018
Scientists find oldest modern human fossil outside Africa
This fossil suggests Homo sapiens left Africa 50,000 years earlier than previously thought.
January 27, 2018
January 31 lunar eclipse: What scientists can learn
The lunar eclipse January 31 offers scientists a chance to see what happens when the surface of the moon cools quickly.
January 25, 2018
Tsunami warnings issued – later canceled – after powerful Alaska quake
A powerful earthquake struck 174 miles (280 km) southeast of Kodiak, Alaska, early on January 23. Tsunami watches or warnings were issued - later canceled - for western North America and Hawaii.
January 23, 2018
50 years ago: Thule incident
On January 21, 1968, in what came to be known as the Thule incident, a U.S. jet carrying 4 nuclear bombs crashed in Greenland, spreading radioactive wreckage across 3 square miles of a frozen fjord.
January 21, 2018
NASA and NOAA: 2017 was record-setting for warmth
NASA says 2nd-warmest year on record. NOAA says 3rd-warmest. Their methodologies differ slightly, but - by both standards - the 2017 results make the past 4 years the hottest yet recorded.
January 18, 2018
Why did passenger pigeons die out?
In the 19th century, passenger pigeons were so numerous that hunters competed to shoot as many as possible. But the last passenger pigeon died in the Cincinnati Zoo over 100 years ago. How did it all go so wrong?
January 18, 2018
Meteor lit up Michigan night skies
A brilliant fireball lit up skies in the U.S. state of Michigan Tuesday night and caused the equivalent of a magnitude 2.0 earthquake.
January 17, 2018
Supercomputer insights on mysterious black hole jets
Scientists used the Blue Waters supercomputer to show that a black hole's relativistic jets and accretion disk both may be spinning - and precessing over time - around an axis separate from the black hole itself.
January 17, 2018
