Of all of the dwarf planets we know about, Ceres might be the most mysterious. Recently, scientists found two bright spots on its surface. What could they be?
Mankind seems pretty well set on a 60-second minute. But history saw multiple systems devised for counting things, including the passage of time, so how did we settle on the minutes, seconds, and hours we use to mark off our days today?
Saturday's lunar eclipse was seen from western North America, across Asia and Oceania, here are some of the most dazzling views.
For the first time, astronomers have combined the observational power of a ground-based survey with a space telescope to measure the distance to a stellar-mass object that was detected through a chance microlensing event.
Turnabout is fair play: The full moon will be totally eclipsed early Saturday morning (April 4), just 15 days after it caused a total eclipse of the sun.
New simulations of the most energetic collisions in the universe are helping astrophysicists understand how gravitational waves are generated, possibly giving us an exciting glimpse into the future of gravitational astronomy.
The moon is at its best for observing when it is around its first-quarter phase.
The first day of Spring began with some dazzle in Europe and the Arctic with a solar eclipse.
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