Researchers looked at 22 years of data to discover how cities can change the weather. Certain storms intensify over cities, leading to more urban flooding.
What is a micromoon? It's a full or new moon near its farthest from Earth for the month. Depending on your definition, 2026 has either 2 or 3 full micromoons.
Arcturus is the brightest star in the northern half of the sky. It's easy to find in spring in the Northern Hemisphere near the handle of the Big Dipper.
During a May 29, 1919, solar eclipse, astronomers saw the sun bend starlight, proving Einstein's general relativity and catapulting him to rock star fame.
People in South Carolina heard a strange sonic boom on May 28, 2026, around 5:30 p.m. The USGS said it wasn't an earthquake. Could it have been a meteor?
An undersea volcano began erupting in the Bismarck Sea off the coast of Papua New Guinea on May 8, and it is still going. Will the volcano birth a new island?
New observations from the Hubble Space Telescope suggest that Europa's water vapor plumes are less likely than previously thought. But they don't rule them out.