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An undersea volcano is erupting in the South Pacific
An undersea volcano began erupting in the Bismarck Sea off the coast of Papua New Guinea on May 8, and it is still going. Will the volcano birth a new island?
May 28, 2026
Do Europa’s water vapor plumes not exist after all?
New observations from the Hubble Space Telescope suggest that Europa's water vapor plumes are less likely than previously thought. But they don't rule them out.
May 28, 2026
Meet Mimosa, a star of the Southern Cross
Mimosa is the 2nd-brightest star in Crux, the Southern Cross. It's circumpolar - up all night - from much of the Southern Hemisphere.
May 28, 2026
Moon base update! NASA unveils next steps
NASA has unveiled exciting new plans for its moon base, including timelines and details of hopping drones, landers and vehicles.
May 27, 2026
Virgo the Maiden represents a harvest goddess
Virgo the Maiden is the largest of the zodiac constellations. It's large and faint, but its brightest star Spica is easy to find.
May 27, 2026
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.
May 26, 2026
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.
May 26, 2026
Spica, the bright beacon of Virgo, is 2 stars
Spica is the brightest star in Virgo and a scorching-hot pair of stars, whirling very closely around one another. One of them may go supernova someday.
May 26, 2026
Blue Moon – and smallest full 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.
May 25, 2026
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.
May 24, 2026
