I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

Located only 56 million light-years away in Ursa Major, NGC 4102 gives astronomers a nearby target to study how these active ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

The Hubble Space Telescope, a cornerstone of modern astronomy, has been providing breathtaking images and invaluable data for over three decades. As a collaboration between NASA and the European Space ...

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

Hubble’s updated view of NGC 3370, richer in light and detail than ever before, deepens our understanding of both the galaxy and the cosmos itself. This new Hubble Picture of the Week highlights a ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

For the first time, astronomers have observed something like a Pluto colliding with a white dwarf, the shriveled corpse of a medium-size star. NASA's Hubble Space Telescope made the discovery by ...

A century ago, Edwin Hubble began the race to the edge of the cosmos Damond Benningfield In 1930, Albert Einstein met with astronomers (including Edwin Hubble, at Einstein's left, back row) at Mount ...

Historically, the Andromeda Galaxy (M31) was a subject of extensive debate, initially considered a "nebulous smear" and later central to the "island universe" hypothesis proposing its status as an ...