Researchers report that oil-field emissions are reshaping regional atmospheric processes. Earth’s climate is shifting rapidly ...

The northern and southern lights, especially active lately, have been treating sky watchers to spectacular shows. But what ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Saturn’s icy moon Enceladus has quietly moved from curiosity to prime suspect in the search for alien biology. A decade of ...

Light that twists as it travels and materials whose internal order is knotted like a pretzel are starting to collide in the ...

As the Arctic warms and sea ice disappears, polar bears are being pushed into conditions they have never faced before. Their ...

The ability to produce cold and ultracold molecules has opened new avenues to probe fundamental physics, develop novel technologies and understand quantum chemical phenomena. Through precise ...

Scientists have made leaps and bounds in bending atoms to their will, making them into everything from ultraprecise clocks to ...

The world’s polar bear population is projected to decline by two-thirds by 2050. A new study from the University of East Anglia suggests that polar bears are undergoing rapid genetic changes, and ...

Three experts share the science behind taking a dip in cold water—and offer safety tips that any potential plungers should ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...