Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

Scientists using the Hubble Space Telescope discovered the largest protoplanetary disk ever, nicknamed Dracula’s Chivito, about 1,000 light-years from Earth. It is 40 times bigger than our solar ...

Could a frozen wanderer older than the Sun rewrite what we know about the galaxy’s past? Comet 3I/ATLAS, the third known confirmed interstellar object to enter our solar system, is offering scientists ...

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our sun millions of years ago.

Seiko introduces two galaxy‑inspired Astron GPS Solar Limited Editions: SSH187J1 and SSJ039J1 Launching in January 2026, the SSH187J1 is limited to 1,500 pieces, while the SSJ039J1 is a non-limited ...