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Dark energy surprise suggested by super set of supernovae
A new analysis of supernovae observations hints that dark energy may change strength over time. It could mean we need to recalculate the universe's fate.
July 30, 2025
Meet Apep, a pair of dying stars in a swirling nebula
Webb has captured an image of Apep, which includes the swirling nebula around 2 dying stars. A scientist explains what we know about it now.
July 30, 2025
Top 10 cool things about stars that you probably didn’t know
Here's a collection of 10 cool things about stars that you probably didn't know. Big stars, green stars, black holes, stars by the millions, and more!
July 30, 2025
This baby exoplanet is shrinking toward a sad destiny
NASA's Chandra X-ray Observatory has found a baby exoplanet that is slowly losing its atmosphere and shrinking as it is pummeled by radiation from its star.
July 29, 2025
Is the 3rd interstellar visitor – 3I/ATLAS – an alien probe?
It's highly unlikely the interstellar comet 3I/ATLAS is an alien spacecraft. However, here are things scientists would look for to detect an alien probe.
July 27, 2025
Extensive ancient rivers on Mars revealed in new study
A new study of data from 2 Mars orbiters shows vast ancient rivers on Mars in the Noachis Terra region. They show Mars was even wetter than we first thought.
July 27, 2025
Young, massive exoplanet is in an unusual double star system
HD 135344 Ab is a young massive exoplanet orbiting a star in a binary star system 440 light-years away. The other star still has its planet-forming disk.
July 25, 2025
‘Unicorn’ long-period radio transient baffles scientists
Astronomers have discovered a long-period radio transient with theory-defying properties. It's incredibly polarized, and its spin appears to be speeding up.
July 24, 2025
Newborn planet spotted sculpting a spiral around its star
Astronomers have found evidence for a newborn planet 440 light-years away, sculpting spiral arms in the disk of gas and dust around its young parent star.
July 23, 2025
Companion for Betelgeuse confirmed! Beloved red star has a blue-white buddy
Astronomers using the Gemini North telescope have confirmed a companion for Betelgeuse! It's a blue-white star and orbits within Betelgeuse's outer atmosphere.
July 22, 2025
