The Mars Curiosity rover captured images of this strange object on the planet’s surface on Monday. What is it? NASA scientists have figured it out.
Galaxies aren’t evenly distributed throughout the universe. But even so, this large region of space has far fewer galaxies than astronomers expected.
Computer simulation of the distribution of matter in the universe. Orange regions contain galaxies, while blue structures are gas and dark matter. Astronomers have found that a large region of space contains far fewer galaxies than expected. Image via TNG Collaboration.
So go ahead and get scared at the new movie “The Meg,” but don’t worry. Scientists have officially debunked the myth that megalodon sharks still exist.
Artist's impression of a megalodon pursuing 2 whales. Image via Karen Carr/Wikipedia.
American astronomer Asaph Hall discovered Phobos, 1 of the 2 known Martian moons, on this date in 1877.
Phobos, via Viking 1. Image Credit: NASA
Many in North America are seeing layered sunsets, caused by smoke. EarthSky community photos from various places on the continent, plus a heads up … watch for blue-colored moons or suns!
What happens in California doesn’t stay in California. This animation, made from satellite data, shows carbon monoxide from the state’s massive wildfires drifting eastward all the way across the U.S.
This series of images shows carbon monoxide (in orange/red) from California's massive wildfires drifting east across the U.S. between July 30 and August 7, 2018. It was produced using data from the Atmospheric Infrared Sounder (AIRS) on NASA's Aqua satellite. Image via NASA.
A new computer modeling study shows that – some 4 billion years ago – a barrage of incoming debris from space likely formed what we know today as Earth’s oldest rocks.
Artist's concept of the period in Earth's early history, about 4 billion years ago, when meteorites bombarded our world. Image via Paleoblog
One of the prettiest stories in all skylore surrounds this star. “On the 7th night of the 7th moon …” The legend sets the date of Chinese Valentine’s Day – the Qixi Festival – this year on August 17.
Red tides and a blue-green algae outbreak are fouling hundreds of miles of coast, killing fish and driving tourists from beaches. Some causes are natural, but human actions also play a role.
Algae cover the surface of the Caloosahatchee River at the W.P. Franklin Lock and Dam, July 12, 2018, in Alva, Florida. Photo via