A few months later, in April 1986, a sudden power surge during a reactor systems test caused a meltdown of the Chernobyl ...

Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west ...

NASA’s Earth Observing System provides nearly 30 years of continuous, high-quality measurements of Earth’s land, oceans, atmosphere, and ice, supporting climate research and long-term environmental ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

This is my last column in 2025, and although I still hear the occasion complaint about how things were so restricting during the Covid-10 pandemic, I’m starting to feel “hopeful” that in spite of ...

JWST observations of the ultra-hot super-Earth exoplanet TOI-561 b provide the strongest evidence to date for an atmosphere surrounding a rocky planet beyond our Solar System.

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

You have probably seen the images of the surface of Mars, beamed back by NASA's rovers. What if there were a time machine ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

NPR's Scott Detrow speaks with Cristina Costantini, director of the new documentary, Sally, about the life of astronaut Sally Ride.

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

The year’s most notable findings also include insights into dog and sheep domestication and a new species of manta ray in the ...