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These clouds are called ship tracks
Ship tracks typically form among low-lying stratus and cumulus clouds. They form around exhaust particles released by ships.
January 29, 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
Ingredients for life in space rocks that fell to Earth
Two rocks that crashed to Earth from space in 1998 are the 1st meteorites found to contain both liquid water and a mix of complex organic compounds such as hydrocarbons and amino acids.
January 26, 2018
Analysis reveals tiny dino with rainbow feathers
This bird-like dinosaur lived in China about 161 million years ago. Scientists think it might have used its rainbow ruff to dazzle potential mates.
January 26, 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
Is Arctic warming behind year’s crazy winter weather?
An atmospheric scientist who studies the Arctic explains why – because of global warming – the U.S. may be in for longer cold spells in the winter.
January 13, 2018
