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

Contrary to claims that 3I/ATLAS is no longer from Earth, space experts claim that the Manhattan-sized comet can now be ...

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

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

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

A telescope meant to peer into distant galaxies revealed mysteries much closer to home. Hubble’s gaze uncovered new moons, ...

The widely talked about Comet 3I/ATLAS will pass by the sun on Thursday, but it will be December before stargazers can get a ...

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

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

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 ...