Cosmic rays may be the elusive spark for lightning here on Earth
Cosmic rays may play a role in triggering lightning, a new study suggests, offering an out-of-this-world answer to a long-standing mystery.
Earth’s sea ice hits all-time low, NASA satellites reveal
Sea ice impacts storms and coastal erosion — and NASA says Earth's total sea ice content has hit an all-time low.
Spring equinox 2025: Say goodbye to winter in the Northern Hemisphere today
Spring officially begins today (March 20) with the vernal equinox, bringing longer days and warmer temperatures to the Northern Hemisphere.
‘Microlightning’ between water droplets could have sparked life on Earth. Here’s how
The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets.
Arctic ice is melting faster than expected — and the culprit could be dust
An audacious NASA mission suggests that dust blown north from Greenland couldhelp explain why Arctic ice is melting even faster than expected.
‘Their loss diminishes us all’: Scientists emphasize how Trump’s mass NOAA layoffs endanger the world
"From our perspective down in the trenches actually working for the government, it feels like the people up top just have no clue about anything."
World’s largest iceberg runs aground in South Atlantic after 1,200-mile journey (satellite photos)
Earth's largest iceberg has run aground off the coast of South Georgia Island, a common rendezvous spot for big bergs, new satellite images show.
The next ice age is coming in 10,000 years — unless climate change prevents it
Natural cycles in Earth's rotational axis and its orbit around the sun drive climatic changes, and now researchers have matched up specific points in those cycles to the timing of ice ages.
Scientists discover Earth’s oldest impact crater in Australia
This week, geologists announced they discovered the world's oldest known impact crater. It's in Western Australia's ancient Pilbara region.
Spectacular photo taken from ISS shows ‘gigantic jet’ of upward-shooting lightning towering 50 miles over New Orleans
A newly unveiled astronaut photo shows a "gigantic jet" shooting upward from a thunderstorm above Louisiana in November 2024.