On June 14 and 16, technicians installed solar panels onto NASA's Nancy Grace Roman Space Telescope, one of the final steps ...

When most people think of our Solar System, they think of the 8 planets officially recognized by the International Astronomical Union (IAU). But what if I told you there are at least 40 planets, and ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

The European Space Agency (ESA) successfully established a transmission-reception optical link with NASA's Deep Space Optical ...

Solar flares, blasts of plasma gasses of solar energy might shape the short-term weather on distant planets according to a ...

In looking over the shortlist for the Astronomy Photographer of the Year 2025 competition, I thought about how I’ve seen tho ...

Venus, shrouded in mystery, stands out with its toxic atmosphere and retrograde rotation, spinning in the opposite direction ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

It must be hard being a judge for ZWO Astronomy Photographer of the Year. The competition, organized by the Royal Observatory ...

NASA has shared a video and photo of solar winds flowing through the Sun's corona from an extremely close distance. Coronal Mass Ejections impact Earth and other planets, and can prove dangerous to ...