Astronomy

New James Webb Space Telescope observations of the third world in the seven-planet TRAPPIST-1 system rule out a variety of atmospheres.

The post No Evidence for Atmosphere on Trappist-1d appeared first on Sky & Telescope.

Connecting tubes between bacteria and a kind of microbe called archaea may reflect a symbiotic relationship that led to complex cells more than 2 billion years ago

Connecting tubes between bacteria and a kind of microbe called archaea may reflect a symbiotic relationship that led to complex cells more than 2 billion years ago

Going boldly where someone has gone before! The "Star Trek" prequel series is overflowing with characters who debuted in the 1960s.

On Episode 172 of This Week In Space, Rod Pyle and guest host Rick Jenet are joined by Erika Alden DeBenedictis to discuss how terraforming Mars might work.

On Episode 171 of This Week In Space, Rod Pyle and guest host Isaac Arthur are joined by Rick Jenet to discuss the United Nations Office of Outer Space Affairs (UNOOSA).

The members of Expedition 73-"B" settle in and get busy conducting science research on board the International Space Station.

Former NASA astronaut Shane Kimbrough is photographed during a spacewalk in January 2017.

In this quiz, you’ll test your cosmic knowledge by matching each moon to the planet it calls home.

A bright flash of radio waves from 3 billion years after the big bang is illuminating parts of the universe that astronomers can’t normally see

A bright flash of radio waves from 3 billion years after the big bang is illuminating parts of the universe that astronomers can’t normally see

There's a gap in black hole masses, and experts believe here is where 'lite intermediate black holes' reside.

Colossal Biosciences bold announcements about its project to replicate dire wolf traits have drawn criticism from many scientists, but the billion-dollar firm is not backing down

Week in images: 11-15 August 2025

Discover our week through the lens

Deep-field images from NASA's James Webb Space Telescope revealed 300 unusually energetic early galaxy candidates, offering new insights into how the universe formed and evolved over 13 billion years ago.

Astronomers discovered a star-triggered explosion shaping its dusty disk, revealing a far more chaotic and intense environment than previously thought.

An extremely precise detection method for single electrons, which pins down the particles with a resolution of trillionths of a second, may provide a valuable building block for future quantum technologies

An extremely precise detection method for single electrons, which pins down the particles with a resolution of trillionths of a second, may provide a valuable building block for future quantum technologies

The Milky Way galaxy glows alongside the zodiacal light over the Cerro Tololo Inter-American Observatory (CTIO) in Chile.