An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

The winner of Fat Bear Week 2026 is … Backpack! The people voted him the chonkiest chunk at Katmai National Park this season. He’s the son of former 2019 winner, Holly. Congrats, Backpack! Image via ...

Hurricane Nolo is strengthening south of Hawaii, with forecasters warning that the storm could bring potentially catastrophic ...

The Komodo dragon ( Varanus komodoensis) is the largest living lizard on Earth. The biggest males can exceed 10 feet (3 ...

The changes in temperature and vertical structure of the atmosphere are the two main processes that affect the weather on ...

Artist’s concept of a future moon base. A new study suggests there would be enough water on the moon for smaller bases, villages or towns, but not larger cities. Image via ESA. Elvis and fellow ...

In 2020, NASA and the U.S. Department of State led an effort to establish guidelines for human expansion into space. Working with international partners, they came up with the Artemis Accords. NASA ...

Our charts are mostly set for mid-latitudes in the Northern Hemisphere. To see a precise view — and time — from your location, try Stellarium Online.

A member of the newly discovered tiger cat species — Leopardus tilcayo — at La Senda Verde, a private wildlife refuge in the Yungas region of Bolivia. This little cat, a male, was previously kept by a ...

Visible planets and night sky guide. Venus is disappearing! Watch a video here. And look for the moon near two bright stars, Capella and Aldebaran. Mars calendar year 39 begins on September 30, 2026.

Sun news October 2, 2026: The first of two blobs of sun-stuff heading to Earth should arrive later today. It might trigger auroras at northerly latitudes. There's an aurora season around the equinoxes ...

A new astronomical model has found that an Earthlike planet could have a stable and potentially habitable orbit around a star in a nearby 2-star system. Take your pick: the October birthstone is ...