At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...

Astronauts Barry “Butch” Wilmore and Suni Williams are back on Earth after nearly nine months in space and readjusting to ...

For years, scientists have estimated that LUCA likely ... As such, our understanding of LUCA impacts our understanding of the early evolution of life on Earth. Was LUCA a simple or complex organism?

A biochemist breaks down challenges that astronauts Suni Williams and Butch Wilmore will face after their long duration in ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Earth four billion years ago may help us check for life on one ... saturation must have emerged first. This folds into existing research, like a 2017 paper suggesting that our amino acids ...

These rather small planets are a stone's throw from Earth in galactic terms, but were too small for previous instruments to ...

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"Welcome to the Black Triangle," said paleobiologist Cindy Looy as our van slowed ... scientists have known that the deep ocean lacked oxygen in the late Permian. But most life is concentrated ...

November 25, 2024 • Books We Love returns with 350+ new titles handpicked by NPR staff and trusted critics. Find 12 years of recommendations all in one place — that's nearly 4,000 great reads ...

Astronauts Suni Williams and Butch Wilmore are on their way back to Earth, with a splashdown off Florida coast expected late this afternoon.