A billion years ago, days lasted 19 hours: the balance between the oceans, the atmosphere, and the Moon slowed down the Earth ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Sunday marks the shortest day of the year in the Northern Hemisphere, signaling the start of astronomical winter.

In an unprecedented celestial event, NASA's Hubble Space Telescope (HST) captured the dramatic aftermath of colliding space ...

Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s ...

From Dec. 5 to Dec. 8 of every year, France celebrates the Fetes des Lumieres (Festival of Lights) at the Parc de la Tete d'Or in Lyon. There, the city hosts artwork spread across its iconic squares ...

Sunday marks the shortest day of the year in the Northern Hemisphere, signaling the start of astronomical winter ...

Artificial light at night used to be a symbol of progress. Streetlights, glowing buildings, and 24/7 businesses meant safety, convenience, and non-stop activity. But now, science is telling a ...

River Cleanup, a global organization dedicated to making rivers plastic free, sponsored 14 events in honor of Call to Earth Day, encouraging volunteers around the world — in Belgium, the Democratic ...

The reflectors would orbit Earth in a sun-synchronous orbit, which would cause them to circle Earth from pole to pole, perpendicular to the planet's spin. They would be positioned to constantly align ...

People have been talking about Earth's second moon. Though NASA confirmed that a small asteroid named 2025 PN7 is officially a quasi-moon, it's not a real moon. Instead, it's a cosmic tag-along that’s ...