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Why is Easter so late in 2019?
Easter is this Sunday. Astronomer Guy Ottewell explains why it's a late Easter, but not the latest it can be.
April 21, 2019
Moon’s south pole possible landing site
NASA hopes to send astronauts to the surface of the moon in 5 years, and has planned a landing site where no human has yet been: the lunar south pole.
April 18, 2019
Another asteroid disintegrates over Russia
A bright meteor was caught in many dashcam videos - in broad daylight - on April 6, 2019, over the Russian city of Krasnoyarsk. See a video compilation here.
April 16, 2019
Does a year in space make you older or younger?
The NASA Twins study - featuring astronaut twins Scott and Mark Kelly - was the perfect space experiment. Scott spent a year in space aboard the International Space Station. Mark remained on Earth. The results?
April 16, 2019
Check out this peregrine falcon webcam
An EarthSky community member - Jody Kuchar - alerted us to the webcam, which is based in Wisconsin. Thank you, Jody!
April 14, 2019
Black hole image confirms Einstein’s relativity theory
Einstein's theory was confirmed in 1919, when British astronomer Sir Arthur Eddington measured the bending of starlight around the sun during a total solar eclipse. And it's been re-confirmed since. How about now?
April 14, 2019
A reptile expert takes your burning dragon questions
As Game of Thrones returns for its final season, a herpetologist addresses some highly fictional dragon scenarios using real science.
April 13, 2019
Vote to help name solar system’s largest unnamed body
2007 OR10 has one of the reddest surfaces ever found in our solar system's distant Kuiper Belt. Vote to help decide between 3 possible official names.
April 11, 2019
Today in science: Bingham Canyon landslide
On April 10, 2013, one of the largest non-volcanic landslides in the history of North America took place at the Bingham Canyon mine in Utah.
April 10, 2019
What causes landslides and mudslides?
The trigger is usually water. Excessive rainfall can trigger landslides and mudslides because it’s heavy and adds extra weight to the land.
April 10, 2019
