Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit.
Web users help support the popular science website, citing “the value and impact of science education,” “science and beauty” and “sharing the wonder” as reasons.
A new long-term earthquake forecast for California by the U.S. Geological Survey revises estimates for the chances of large earthquakes over the next several decades.
An ocean below the surface of Jupiter's large moon Ganymede has more water than all earthly oceans, according to evidence from the Hubble Space Telescope.
Alaska’s famous Iditarod sled dog race traditionally runs from Anchorage to Nome. But this year, lack of snow forced a reroute and moved the kickoff 250 miles north.
Were it possible to see the skies from this world, the four parent stars would look like one small sun and two very bright stars visible in the daylight.
About 4 billion years ago, a primitive ocean on Mars held more water than Earth's Arctic Ocean, say researchers, but Mars has lost 87 percent of it to space.
Volcanoes on the ocean floor flare up on regular cycles - lasting from two weeks to 100,000 years. Do they help produce suddenly seesawing hot and cold periods?
The EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips. Earth, Space, Sun, Human, Tonight. Since 1994.
EarthSky Newsletter
Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!
Join now to receive free daily science news delivered straight to your email.