Einstein’s gravity and quantum mechanics united at last?

Modern physics is founded on 2 pillars: Einstein's gravity and quantum mechanics. But these 2 theories contradict each other. Does this theory reconcile them?

Wow! A rare waterspout over Sun Moon Lake, Taiwan

An EarthSky community member caught this rare waterspout over Sun Moon Lake on November 16, 2023. What a catch! Thank you, Bob!

Lost tool bag from spacewalk caught on video

NASA astronauts accidentally lost a tool bag during a spacewalk on November 2. Now, observers on the ground have caught the tool bag on video. See it here.

Iceland braces for eruption of Fagradalsfjall volcano

Iceland declared a state of emergency on November 10, 2023, near Fagradalsfjall volcano, dormant for 800 years until 2021. Now it looks poised to erupt again.

Media we love: Totality, The Great North American Eclipse of 2024

Read a book review of "Totality: The Great North American Eclipse of 2024" by Mark Littmann and Fred Espenak. Reviewed by Bruce McClure.

Anticrepuscular rays: How to see them

If you want to see anticrepuscular rays, look carefully opposite the direction of the sun. They are most often seen at sunrise or sunset.

What was the Carrington Event, and why does it matter?

The Carrington Event of 1859 was a massive geomagnetic storm triggered by an active sun. People saw auroras at low latitudes bright enough to read by.

Solar eclipse photos keep coming, and they’re awesome

Solar eclipse photos from October 14, 2023, still haven't stopped coming in. Here are a few more great ones! Thanks to all who contributed.

New AI tool can help find alien life in the solar system

Researchers in the U.S. and Japan have developed a new AI technique that can determine if there is evidence for past or present life, or not, with 90% accuracy.

Bus-sized asteroid buzzed past Earth on Thursday

A bus-sized asteroid safely passed Earth less than 1/4 the distance to the moon at 12:52 UTC (7:52 am CDT) on October 12, 2023.