A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

What could force a supermassive black hole (SMBH) out of its host galaxy? They can have hundreds of millions, even billions ...

The 15th day of the 18th annual Space Telescope Advent Calendar shows a colorful view of a dense cloud of gas and dust, ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

The 14th day of the 18th annual Space Telescope Advent Calendar features undulating dust lanes at the edges of a distant ...

With construction complete, the telescope will now move into final testing. Following testing, Roman will be packaged and ...

In July 2025, NASA detected an unusually long-lasting and intense gamma-ray burst (GRB) from deep space, the origin of which ...

The Hubble Space Telescope has imaged a "200,000 light-year-long trail of newborn stars" that may have been left behind by a runaway supermassive black hole. Video Credit: Black Hole Animation NASA’s ...

In July 2025, NASA detected an unusually long-lasting and intense gamma-ray burst (GRB) from deep space, the origin of which ...

Interstellar object 3I/ATLAS continues to display a Sun-facing anti-tail, confirmed by Hubble, Gemini and XMM-Newton ...

Interstellar object 3I/ATLAS is baffling astronomers with its bizarre, sun-facing anti-tail, confirmed by Hubble.