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Spectacular moon, 3 planets, before dawn
A beautiful scene awaits you in the early morning sky. It's a golden opportunity to see the moon sweep past 3 glorious planets: Jupiter, Saturn and Venus.
February 26, 2019
Andromeda galaxy via robotic telescope
James Figge of Delmar, New York captured this image on February 23, 2019 - from the comfort of his home - with the Harvard-Smithsonian 6-inch robotic telescope in Arizona.
February 25, 2019
Watch for the waning moon and Jupiter
No matter where you live worldwide, let the waning moon be your guide to the bright planet Jupiter over the next several mornings. Plus Venus and Saturn are nearby!
February 25, 2019
Help name 5 new moons of Jupiter
You can help astronomers select names for 5 newly discovered moons of the planet Jupiter. Look here for contest details and how to enter.
February 25, 2019
Why zebras have stripes
New research suggests that stripes help zebras evade biting flies and the deadly diseases they carry. Hear from the scientists who led the study.
February 25, 2019
Countdown to calving at Antarctic ice shelf
Cracks growing across the Brunt Ice Shelf are poised to release an iceberg about twice the size of New York City. A scientific presence on the ice shelf since 1955 has an uncertain future.
February 25, 2019
Astronomers find a nearby river of stars
Researchers used Gaia data to find a stellar stream of at least 4,000 stars that have been moving together in space since they formed, about a billion years ago.
February 24, 2019
Could cockroaches survive a nuclear apocalypse?
Cockroaches have a reputation for resilience, even when it comes to surviving a nuclear bomb and radiation - but will they really outlive us all?
February 23, 2019
How to see 5 bright planets
In late February and early March 2019, you can see 2 planets in the evening and 3 planets before sunup. Here's how.
February 23, 2019
Weird hexagonal dune field seen on Mars
Mars has sand dunes, as Earth does. But now, NASA's Odyssey orbiter has revealed something odd: a large dune field shaped roughly like a hexagon. The finding is expected to provide more clues as to how dunes form in Martian winds.
February 22, 2019
