Labor Day is a federal US holiday that falls on the first Monday in September and is considered the unofficial end of summer. The post Labor Day: Learn its history and traditions first appeared on EarthSky.| Human World | EarthSky
After a series of explosive failures this year, SpaceX’s Starship saw spectacular success during its 10th flight test on August 26, 2025. The post Starship redeems itself in spectacular 10th test flight first appeared on EarthSky.| Human World | EarthSky
An interview about interbreeding between Neanderthals and modern humans, with the study’s lead author Israel Hershkovitz, of Tel Aviv University. Video provided by Tel Aviv University.| EarthSky
Alcohol and evolution: Eating alcohol-laden fruit might have helped early hominids socialize. Later, did making alcohol drive the rise of agriculture? The post Did alcohol and evolution go hand in hand for humanity? first appeared on EarthSky.| Human World | EarthSky
Why do we sleep? University of Oxford researchers may have cracked the mystery: an electrical buildup within cellular components. The post Why do we sleep? Study blames overloaded brain cells first appeared on EarthSky.| Human World | EarthSky
UFOs in Canada: Canada’s top scientists are recommending the creation of a new federal body to standardize, collect and investigate unidentified aerial phenomena. Video via CTV News.| EarthSky
View at EarthSky Community Photos. | Filippo Galati in Sampieri, Sicily, Italy, shared this image. Filippo wrote: “On May 16, 2022, before the start of the lunar eclipse, I photographed a particularly favorable passage of the International Space Station over the skies of Sicily. It is framed by the ancient furnace Penna and highlighted in the sky by the constellation Ursa Major.” Thank you, Filippo!A bird? A plane? It’s the International Space Station!| EarthSky
Jasper, on the left, belongs to the study’s lead author, Hoi-Lam Jim. He’s shown here with his best friend, Sahibu. While many people think that their dogs are good judges of a person’s character, new research indicates there is no evidence that dogs form opinions of people. Image via Hoi-Lam Jim / Kyoto University.| EarthSky
The July birthstone is shown here as natural ruby crystals. Image via Rob Lavinsky/ Wikipedia (CC BY-SA 3.0).July birthstone: Rubies| EarthSky
If we adopted the International Fixed Calendar, we'd have 13 months. And each month would contain a Friday the 13th.| EarthSky | Updates on your cosmos and world
A SpaceX Starship upper stage exploded during a static-fire test on June 18, at SpaceX's Starbase in Boca Chica, Texas. See the video. The post Another SpaceX Starship explosion! Huge fireball during test first appeared on EarthSky.| Human World | EarthSky
The month of June in 2025 has the sole Friday the 13th for this year. Image by EarthSky.Friday the 13th| EarthSky
SpaceX’s Starship Flight 9 launched from Starbase in south Texas on May 27, 2025. The 1st-ever reused Super Heavy booster exploded during its landing burn over the Gulf of Mexico. Starship itself touched orbit, then lost control and tumbled back to Earth. Image is a video still via SpaceX live feed/ Videos from Space.EarthSky isn’t powered by billionaires. We’re powered by you.| EarthSky
Cuts to science in the United States will endanger research that improves economic growth, national security and your life. Watch the livestream with EarthSky’s founder Deborah Byrd and Dan Garisto at 12:15 p.m. (17:15 UTC) on Tuesday, May 20, for updates on the funding freeze at the National Science Foundation.| EarthSky
Maypole dancing at the village’s fair at Bishopstone, East Sussex, with the tower of St Andrew’s parish church in the background. Image via Kevin Gordon/ Wikimedia Commons (CC BY-SA 2.0 Generic).Looking up has never felt more important. Please donate to help EarthSky keep bringing the sky to your screen.| EarthSky
This is wildfire. It’s winter for the Northern Hemisphere, yet wildfires raged this past week in neighborhoods in Los Angeles. Why? Among other reasons, we live in a warming world, with greater weather extremes, including heat and drought in places like LA County. The book “This Is Wildfire” explains why wildfires around the globe seem larger and more destructive now. But, even more importantly, the book helps you prepare your home and your community for wildfire. Image via Ready.gov.Ni...| EarthSky
This image shows a long filament of solar material, erupting into space. It happened on August 31, 2012. The accompanying coronal mass ejection (CME) traveled at over 900 miles per second (1,500 km/sec), rippling out into the solar system. Note: Earth to scale, but Earth is not this close to the sun. Image via NASA/ SDO spacecraft. A much-larger CME in the year 1859 caused the Carrington Event, which manifested as perplexing disruptions in the technologies then in use, such as the telegraph...| EarthSky
Read below about research showing it’s true … we sleep less before a full moon.| EarthSky
