New measurements reveal the enormous halos that shroud all galaxies in the universe

The starry part of every galaxy is surrounded by a vast shroud of gas extending out…

Hidden, compact galaxies in the distant universe—searching for the secrets behind the little red dots

Supermassive black holes grow by pulling in matter around them. Credit: M. Kornmesser/ESO Astronomers exploring the…

Two astronauts are left behind in space as Boeing’s troubled capsule returns to Earth empty

The empty Boeing Starliner capsule sits at White Sands Missile Range in New Mexico, late Friday,…

Space travel comes with risk—SpaceX’s Polaris Dawn mission will push the envelope further than ever

Credit: Pixabay/CC0 Public Domain Space is an unnatural environment for humans. We can’t survive unprotected in…

Two NASA astronauts stuck in space have flown long missions before

NASA astronauts Suni Williams, left, and Butch Wilmore stand together for a photo enroute to the…

Old satellite to burn up over Pacific in ‘targeted’ re-entry first

An artist’s illustrtaion of the Cluster satellite mission to study Earth’s magentic field. After 24 years…

Hubble examines spiral galaxy IC 4709

This NASA/ESA Hubble Space Telescope image features the active spiral galaxy IC 4709. Credit: ESA/Hubble &…

Why are we so fascinated with aliens?

“Alien: Romulus” — the seventh film in the long-running franchise — is the latest example of…

ChemCam hits 1 million laser shots on Mars since 2012

The ChemCam instrument on the Curiosity rover has fired 1 million times since it landed on…

Video: Mars rover trials

Codi overcoming a slope in rocky terrain. Credit: Airbus Rover trials in a quarry in the…