And now, back to Tom Scott‘s regularly scheduled programming. On Monday, dormant internet star Scott posted his first YouTube video since Jan. 1, 2024, when he announced his decision to step away from ...

By comparing new Hubble observations with images first taken in 1999, astronomers traced the continuing expansion of one of ...

Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...

NASA’s Hubble Space Telescope revisits the Crab Nebula, showing the movement of filaments and changes in gas composition over ...

Images of the same colorful nebulae 25 years apart are a key example of why the Hubble Space Telescope's longevity matters ...

A massive stellar wind bubble sculpts the nebula into the shape of the Norse god's famous helmet.

Using NASA's SPHEREx space telescope, astronomers have observed remnants of the eruption of Nova Persei 1901. As a result, ...

On Monday, a paper announcing that all four DNA bases had been found on an asteroid sparked a lot of headlines. But many of ...

But not all sci-fi books are part of a series. There are a great number of standalone books that tell complete stories that are just as impressive as any series or franchise. Here are six such books, ...

Two telescopes have captured images of the Cat's Eye Nebula, revealing how a dying star shed layers of material in violent ...

Watching a star die has an oddly intimate quality, particularly when it fades slowly and almost purposefully rather than ...