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.
4 asteroids named for amateur astronomer’s great-grandparents
Amateur astronomer Filipp Romanov has discovered four asteroids and they are now named for his great-grandfathers and great-grandmothers.
August 30, 2024
Did black holes make early galaxies blaze really brightly?
According to new analysis of observations by the Webb space telescope, early galaxies' extra brightness may come from the active black holes at their centers.
August 29, 2024
New SETI search goes beyond our Milky Way
A new SETI search for extraterrestrial intelligence, by astronomers in Australia, is the 1st of its kind. It looked for technosignatures in distant galaxies.
August 29, 2024
Measuring the speed of winds on Mars using sound
Scientists have developed a new technique - using the travel time of sound - to measure the speeds of winds on Mars with greater accuracy than ever before.
August 28, 2024
Ancient Mars lake was larger than any on Earth
Lake Eridania is our earthly name for the largest known Mars lake. This ancient lake was bigger than any lakes on Earth. Where did it go?
August 26, 2024
Polaris, the North Star, has spots on its surface
Observations of Polaris, the North Star, show large bright and dark spots on its surface. It's the first glimpse of the surface of a Cepheid variable.
August 25, 2024
Dinosaur-killing asteroid came from beyond Jupiter
An international team of scientists has determined that Chicxulub dinosaur-killing asteroid was carbonaceous and originated from the deep outer solar system.
August 22, 2024
Moon and Saturn close together this week. See the images!
Did you miss the moon and Saturn close together on August 20, 2024? Here's a gallery and video full of images of the event. Enjoy!
August 22, 2024
Oceans of water on Mars deep underground?
Where did Mars' water go? A new study using data from NASA's InSight mission provides evidence for oceans of water on Mars, deep below the surface in the crust.
August 20, 2024
LIVE on Monday: Super Blue Moon
Join EarthSky team members LIVE beginning at 12:15 p.m. (17:15 UTC) on Monday, August 19, 2024 ... to talk about Monday night's Super Blue Moon.
August 19, 2024
