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Artist’s impression of the Hayabusa2 spacecraft touching down on asteroid 1998 KY26. A new study reveals this asteroid is smaller and spinning much faster than once thought. Image via ESO/

Scientists said on September 20, 2025, that they found evidence an asteroid struck the North Sea some 43 million years ago. As a result, the asteroid impact would have resulted

View larger. | Artist’s concept of the white dwarf star WD 1647+375 surrounded by a disk of rocky and dusty debris. This hungry white dwarf is tearing apart and consuming

BOOM! A possible new nova has appeared in the southern constellation of Centaurus the Centaur. This animation shows the before and after of this region of sky. It’s courtesy of

View larger. | Artist’s illustration of the Rosalind Franklin rover. It will launch in 2028 and search for evidence of ancient life in the Oxia Planum region on Mars. A

Astrophysicist and pianist Amir Siraj is lead author on the new work, suggesting an unseen Planet Y, hidden in the far reaches of our solar system. He is currently studying

A deep image of interstellar comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on the Gemini South telescope at Cerro Pachón in Chile. The image shows the comet’s broad

Many astronomers think Pa 30, a nebula in Cassiopeia (above), is the remnant of supernova 1181. A merger of 2 white dwarf stars created the supernova and resulting remnant. This

NASA has confirmed 6,000 exoplanets! NASA published a longer version of this story on September 17, 2025. Edits by EarthSky. 6,000 exoplanets! NASA announced on September 17, 2025, that its

View larger. | NASA’s Curiosity rover found these pure sulfur crystals on May 30, 2024, after it drove over and broke open a rock. Now, a new study from researchers