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Top 6 things about gravity
Gravity does far more than make things fall down. It governs the motion of planets around the sun, holds galaxies together and determines the structure of the universe.
April 15, 2016
Spiders with super-fast mousetrap mouths
In the forests of South America and New Zealand, trap-jaw spiders have mouths clamp down on their quarry like a mousetrap, at lightning speeds.
April 15, 2016
Rainbows around the world
Images of rainbows from all over the world taken by EarthSky's Facebook friends. Beautiful!
April 15, 2016
Beautiful, enormous moon halo
Ring around the moon over Horsham, Australia on April 13, 2016. Photo by Lynton Brown.
April 14, 2016
Giant sunspot turns toward Earth
Sun-watchers have had their eye on giant sunspot AR2529. Check out these photos from the EarthSky community. Aurora alert for April 13!
April 13, 2016
Gulf of Mexico dolphin deaths likely due to oil
Study finds higher rate of illness and death in newborns and juvenile bottlenose dolphins after Deepwater Horizon oil spill.
April 12, 2016
Kepler is OK! Spacecraft recovered from emergency
Kepler mission engineers still aren’t sure why the planet-hunting spacecraft went into Emergency Mode last week.
April 12, 2016
Mars rover up high, spies a dust devil
After making the steep-ever climb of any rover on Mars, Opportunity looked back along its own tracks toward a swirling Martian dust devil in the valley below.
April 12, 2016
Stars strip atmospheres of super-Earths
The planets are 2-10 times as massive as Earth. They orbit near their stars and receive some 650 times the radiation that Earth receives from our sun.
April 11, 2016
See it! Star Aldebaran near the moon
On Sunday, as seen from North America, the moon "occulted" or passed in front of the star Aldebaran. Many then saw Aldebaran near the moon Sunday evening.
April 11, 2016
