Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
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
Alaska’s mountain glaciers: A 10-year story
Glaciers in Alaska are losing ice and contributing to sea level rise. To monitor these changes, a team of researchers has been flying scientific instruments on a bright red, single-engine plane since spring 2009.
April 5, 2019
2018 global CO2 growth 4th highest on record
According to NOAA data, global growth in atmospheric carbon dioxide (CO2) in 2018 was the 4th-highest in 60 years of record-keeping.
April 2, 2019
NASA and Google partner on Mars exploration
Devon Island in the Arctic is one of Earth's most Mars-like places. NASA is there, training scientists and testing technologies for future Mars exploration. Now Google has joined in, to bring Devon Island's Mars-like wonders to you.
March 31, 2019
