Sun
Sun news: Far-side eruption hints at what’s coming
Sun news for May 26, 2026: Far-side eruption hints at what's coming. Northeast newcomer leads flares. Coronal hole winds are expected late today into May 27.
Earth
Why did big, fierce T. Rex have such tiny arms?
New research says Tyrannosaurus rex might have evolved to have small arms because their large heads became more important in taking down prey.
Space

Hot Jupiter exoplanet has cloudy mornings and clear evenings

New observations with the Webb space telescope of the hot Jupiter exoplanet WASP-94A b show that sandy clouds fill the morning skies, but dissipate by evening.
Brightest Stars

Spica, the bright beacon of Virgo, is 2 stars

Spica is a scorching-hot pair of stars, whirling very closely around one another. One of them may go supernova someday. It's the brightest star in Virgo.
Astronomy Essentials

Blue Moon – and smallest moon of 2026 – on May 30-31

There's a full Blue Moon overnight on May 30-31, 2026. A Blue Moon is the 2nd of 2 full moons in a calendar month or the 3rd of 4 full moons in a single season.
Human World

2nd batch of Pentagon UAP files: Over 50 videos to watch

The U.S. government has released Part 2 of its Pentagon UAP files. The 2nd release consists of over 50 videos and a few documents. Watch videos here.
Earth
Human World

Good news! Here’s where light pollution is getting better

A new global map from NASA shows areas that are seeing a reduction in light pollution. See the maps here and learn how to limit light pollution near you.
Human World

John F. Kennedy moon landing speech 65th anniversary

On May 25, 1961, John F. Kennedy addressed the US Congress, inspiring a nation to a moon landing, the Apollo missions, and the dream of a return to the moon.
Earth

Will Lake Mead – largest US reservoir – reach record lows?

The U.S. Bureau of Reclamation said that the water levels at Lake Mead could drop to all-time lows by July 2027. Read more here.
Constellations

Meet Crux, the constellation of the Southern Cross

Crux, the constellation of the Southern Cross, is a hallmark of southern skies and contains the open cluster known as the Jewel Box.