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.
Dark matter missing from 6 galaxies
Astronomers completed a 40-hour long observation of an ultra-diffuse dwarf galaxy and discovered no traces of dark matter.
December 15, 2021
Aldebaran, Bull’s bloodshot eye, near moon December 15, 16, 17
Aldebaran, the brightest star in Taurus the Bull, is at one tip of a V-shaped cluster. If placed where our sun is, its surface would reach the orbit of Mercury.
December 15, 2021
December tornadoes: What caused the deadly US outbreak?
December tornadoes in a historic outbreak overnight from December 10 to 11, 2021, may have produced the longest-track tornado on record.
December 14, 2021
Hundreds of new exoplanets from Kepler data
Scientists have found hundreds of new exoplanets in data from the Kepler mission. These include 301 new confirmed exoplanets and 366 new planetary candidates.
December 13, 2021
$5-billion asteroid Nereus flies by December 11
Asteroid Nereus will pass Earth at about 10 lunar distances on December 11, 2021. Scientists will study it. Its potential value is $5 billion in precious metals.
December 10, 2021
‘Mystery hut’ on the far side of the moon
China's Yutu 2 rover in the Von Kármán crater on the far side of the moon has spotted a roughly cube-shaped object on the horizon. What is Yutu 2's 'mystery hut'?
December 10, 2021
Is the Oregon earthquake swarm tapering off?
The USGS Latest Earthquakes page is displaying more than 40 small-to-moderate earthquakes on December 7 and 8, 2021, off the coast of Oregon.
December 9, 2021
Moon, Jupiter, Saturn, Venus December 6 to December 9
Wow! What a sight. The moon, Jupiter, Saturn, Venus all in your western sky after sunset. Watch for them December 6 to 9, 2021.
December 8, 2021
Asteroid impact monitoring system goes live
The asteroid impact monitoring system Sentry-II is analyzing near-Earth asteroids to look for ones that could intersect with Earth's orbit.
December 7, 2021
Photos: This week’s moon and planets after sunset!
Favorite photos - planets and moon - from the EarthSky community during the week of December 6 to 9, 2021. What a beautiful alignment of worlds!
December 7, 2021
