A proposed five-satellite Cosmic Positioning System could measure cosmic distances directly and help address discrepancies in the Hubble constant through solar system–scale triangulation.

Seraphim Space announced Feb. 25 it has completed fundraising for its second private early-stage venture fund, after exceeding its $100 million target to back young space technology startups.

Astronomy does not belong off Earth. It belongs wherever the universe can be observed — and that necessarily includes the surface of the planet humans live on. Kelsey Johnson: Past President of the ...

Water ice on Mars, bubbling gas on a distant star, a snow-covered island, and a pre-planetary nebula are featured this week. Plus, a look back at an image of Mars taken by the Dawn spacecraft during a ...

Astronomers have confirmed the first isolated stellar-mass black hole drifting through the Milky Way, located roughly 5,000 ...

Groundbreaking "camera-on-a-chip" technology that was originally developed at NASA's Jet Propulsion Laboratory (JPL) for use in space missions is ...

Astronomers have discovered a nearly invisible galaxy called CDG-2, which blends into the cosmic background and is made up of 99% dark matter. Unlike bright galaxies like the Milky Way, CDG-2 barely ...

Looking through the atmosphere is like looking through a piece of old stained glass. The glass has defects that distort the image. The atmosphere also has defects that distort the image, but the ...

In the 1980s, sensors used to produce high-quality images for space science (including the amazing images from NASA’s Hubble Space Telescope) and other applications employed charge coupled device (CCD ...

Astronomers used AI to search 35 years of Hubble data and discovered over 1,300 rare cosmic anomalies hidden in plain sight.

A stunning new Hubble image reveals the most detailed look yet at the Egg Nebula, the youngest and closest pre-planetary ...