Multiple observatories released significant initial data, including the Vera C. Rubin Observatory's first images, the James Webb Space Telescope's detailed views of protostars and colliding galaxies, ...

For the first time ever, astronomers have captured two distinct X-ray views of an interstellar comet, providing an unprecedented glimpse into the interplay between a visitor from beyond our solar ...

A gamma-ray burst (GRB) — the most energetic type of explosion in the universe since the Big Bang — is detected once every day, on average. But what happened on July 2, 2025, was highly unusual: ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

A microscopic ‘Christmas tree’ is a seasonal highlight of a remarkable science project that sees a quirky comparison of vast and small. Curated by NASA’s Chandra X-ray Observatory, a series of ...

The winter solstice has long marked a time of rebirth, behind it are fascinating astronomical events. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...