Satellite sensors for global fire coverage

A global fire alert from space, FireSat sensors would be able to detect a fire anywhere on Earth within 15 minutes of its start and notify area emergency responders.

Slow motion time-lapse of crazy lightning

Cool video showing spectacular lightning discharges - running from cloud to cloud - seen from Mutare, Zimbabwe.

Paris climate summit: Why more women need seats at the table

Including more women in international climate negotiations will lead to better results. Here are 15 climate champions already making a difference

Weather-related natural disasters are up

With COP21 poised to begin in Paris, a new UN report suggests that weather-related disasters were nearly twice as frequent over the past decade as two decades ago.

El Niño déjà vu or something new?

NASA scientists weigh in on whether this year's El Niño will rival the monster El Niño of 1997-98.

Eastern coyote’s a hybrid, but ‘coywolf’ is not a thing

There’s a hybrid canid living in the eastern US, the result of an amazing evolution story unfolding right in front of us. But it’s not a new species – yet - says biologist.

Top 10 most dangerous volcanoes

At the number one spot is the Japanese island of Iwo Jima.

6 million years of human evolution in 1 minute

Mesmerizing reconstructions of long-lost human ancestors - created using fossil discoveries and forensic techniques - from a 2013 book published by Yale Press.

6.5-magnitude earthquake in Greece

Two are reported dead in the 6.5-magnitude earthquake, which struck just off the western Greek island of Lefkada on the morning of November 17.

What triggers supervolcano eruptions?

Supervolcanoes - massive eruptions with potential global consequences - don't appear to follow the conventional volcano mechanics, say researchers.

2026 Donation Campaign

If EarthSky has ever helped you discover something new, prepare for an eclipse, spot a planet, or simply inspired a moment of wonder, today is the perfect day to give back. Your donation helps keep trusted science news, expert night sky guides, and independent science journalism free for everyone.

Please help keep EarthSky going by donating today!

Please help keep

EarthSky going!

If you've already donated, we apologize for the popup and greatly appreciate your support.