A daily update by email. Science news, great photos, sky alerts.
Meteor showers are unpredictable but nothing beats them for a fun and relaxing time under the stars. Here's 10 tips to maximize your meteor viewing time.
The best time to watch the Lyrid meteor shower in 2024 is before dawn on the morning of April 22.
April 18, 2024, sun news. A big cluster of sunspot regions has been firing jets and flares all day. Three M flares keep sun activity at moderate.
Visible planets and star guide for April 2024. See a 1-minute video preview of moon phases for the month of April, linked here.
Kochab and Pherkad are the two outer stars in the bowl of the Little Dipper. They were the pole stars from 1500 BC to 500 BC.
Astronomers have discovered the most massive stellar black hole yet discovered in our home galaxy, the Milky Way. They call the object Gaia BH3.
According to new research, reforestation in the eastern U.S. helped counter rising temperatures in the 20th century. Learn more here.
The bright stars Arcturus and Vega can help you find the constellation Hercules and its Keystone asterism. Hercules is home to 2 fabulous globular clusters.
The New Horizons spacecraft saw a heart-shaped feature on Pluto during its 2015 flyby. New computer simulations suggest an impact created Pluto's heart.
Sextans the Sextant is in a dim patch of sky between Leo and Hydra that is home to some interesting galaxies, and one of the largest supermassive black holes.
Check out the image of the large asteroid 2013 NK4 - which is about 2,000 feet (610 meters) wide - that safely passed Earth on April 15, 2024.
NASA's Perseverance rover sampled an unusual Mars rock called Bunsen Peak. It is rich in carbonate and silica and likely came from an ancient lakeshore beach.
NASA's Webb space telescope looked for baby planets in the protoplanetary disks in 3 young planetary systems. It didn't find any, and scientists explain why.
Check out these wonderful total solar eclipse pics and video from our EarthSky community! See our editor's picks that capture the partial and total phases.
The heavy rains in Death Valley National Park over the past 6 months created a temporary lake and now a profusion of wildflowers.
A new study of Cassini data has revealed bacteria-sized particles in the plumes of Saturn's ocean moon Enceladus. Could they be evidence of microbial life?
Polaris marks the end of the handle of the Little Dipper. The 2 outer stars in the bowl of the Big Dipper point to Polaris and help you find the Little Dipper.
Earth-observing satellites captured imagery of the Moon’s shadow as it raced eastward over North America on the April 8, 2024 total solar eclipse.
Five years from now, on April 13, 2029, the asteroid Apophis will zoom safely past the Earth. This much-anticipated event is a "must-see" for all.
Seahorses look like a blend of different animals, making them mysterious and efficient. With no stomach, they have to eat nearly constantly.
2024 EarthSky Fundraiser
Any amount will help us reach our goal.
Would you consider
donating?
If you've already donated, we apologize for the popup and greatly appreciate your support.