Brontosaurus is back!

If you had to name a dinosaur, you might say Brontosaurus. But, since 1903, experts have said that Brontosaurus isn't a separate species. Now Bronto is back!

Auroras over US and similar latitudes

A geomagnetic storm sparked a display of auroras on the night of April 9-10. Auroras sighted as far south as Colorado! The storm may intensify later today.

Bacteria key to ice worm survival

Living in ice is no easy feat, but ice worms make it work. Part of the secret to their survival on glaciers lies in a symbiosis between worm and bacteria.

The python that’s eating Florida

Burmese pythons were imported to Florida as pets. Now tens of thousands of them are in the wild and they're eating ... everything. New York Times video.

Scientists report seasonal changes on sun

Migrating bands of magnetic fields on the sun produce 2-year variations in solar activity as strong as those in the more familiar 11-year solar cycle.

A seasonal tornado forecast would be tricky to create

There's a seasonal hurricane forecast. Why no seasonal tornado forecast? Here's why an official tornado or severe weather outlook for the United States would be tricky to create.

Large Hadron Collider is back up!

The world's largest particle smasher restarted Sunday after a two-year upgrade.

Plant’s pollination synchronized with full moon

Two scientists accidentally discovered pollination in a species of Ephedra is correlated with the full moon. The finding is a first for the plant world.

This songbird migrates 1,500 miles non-stop

The tiny blackpoll warbler completes a nonstop flight across the Atlantic in just two to three days. Amazing!

Spring means these 4 hibernators are waking up

With the onset of spring in the Northern Hemisphere, animals that hibernate are waking up from a long-period of deep sleep.

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.