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.
Meet Taurus, home to 2 fabulous star clusters
Taurus the Bull resides near the constellation Orion the Hunter. It contains 2 famous star clusters that are easy to spot; they are the Pleiades and the Hyades.
February 6, 2025
Possible smallest exoplanet found … and it orbits a pulsar
Astronomers in Europe said they have discovered what might be the smallest exoplanet found so far. If real, it is smaller than our moon and orbits a pulsar.
February 5, 2025
KA-BOOM! Mars shakes when meteors smash into the planet
Astronomers have used AI to connect meteor impacts on Mars with marsquakes. They found that seismic waves can travel faster through the planet than expected.
February 5, 2025
Lightsails, and the audacious plan to reach the stars
Lightsails for star travel sound like the stuff of science fiction. But researchers at Caltech have been studying the properties of potential lightsails in the lab.
February 4, 2025
Polar bears have unique ice-repelling fur
How do polar bears stay warm in the frigid Arctic? Scientists have found their greasy hair keeps ice from forming on their coats.
February 3, 2025
Is the moon geologically dead? Maybe not, says new evidence
Newly discovered lunar ridges have provided the first evidence of recent geological activity on the far side of the moon.
February 2, 2025
Can you ID these cities at night from space? Take the quiz!
Take this fun quiz to see how many cities at night you can identify from images astronauts took aboard the International Space Station.
February 2, 2025
Deep-sky photos for January 2025: Editor’s picks
Enjoy this gallery of deep-sky photos for January 2025 from our EarthSky community. If you have a great photo to share, send it in. We love to see them!
February 1, 2025
Sun activity archive for February 2025
Sun activity archive for February 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
February 1, 2025
Asteroid Bennu reveals conditions for life, but with twist
Samples from asteroid Bennu brought back to Earth in 2023 contain molecular building blocks for life, evidence of ancient salty water, and something mysterious.
January 31, 2025
