A mesmerizing deep-space photograph of Comet C/2025 R2 (SWAN), captured in front of the Eagle Nebula, has sent shockwaves ...

The 2026 program, with its mix of historic commemorations, is expected to draw interest from regular collectors and new ...

The Calabash Nebula, pictured here — which has the technical name OH 231.8+04.2 — is a spectacular example of the death of a ...

The U.S. Postal Service today announced the Priority Mail and Priority Mail Express stamps it will release in 2026. There ...

Here, we can see the star going through a rapid transformation from a red giant to a planetary nebula, during which it blows ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

From the meteor showers to super moons, this time of year gives us a front row seat to one of the most active regions of the ...

See the full advent calendar here, where a new image will be revealed each day until December 25.

At least two ingredients are needed to make jets — rotation and magnetic fields — and these produce the ubiquitous laserlike jets we see.

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

The twin telescopes of the Gemini Observatory mark 25 years of discovery as students name distant nebula Ua ʻŌhiʻa Lan.

Due to the costs and duration of the Hubble project, NASA was under pressure. At the end of 1995, it released a photo that ...