Starliner after its return from a flight test. NASA hopes the Boeing spacecraft will carry crew to the ISS in 2023. NASA/Bill Ingalls It’s going to be tough for NASA…

Astronauts on the International Space Station caught Quadrantids from orbit in 2020.  NASA/Christina Koch The first few months of the year have a relative dearth of meteor showers, so it’s…

It wasn’t that long ago that putting a robot in your home meant plugging in a Roomba and letting it roam around your floors like a little dust-busting sentry.  But…

Smoke from the Hermit’s Peak-Calf Canyon fire, as seen from Taos, New Mexico, on May 15. Eric Mack This story is part of CNET Zero, a series that chronicles the…

A satellite view of Winter Storm Elliott on Dec. 23, 2022.  NOAA/NESDIS/STAR/GOES-EAST Temperatures have dropped, snow is flying, flights are canceled and traffic is treacherous or snarled across much of…

Representatives from China and the UN at the 2022 UN Biodiversity Conference (COP15) in Montreal, Canada. Lars Hagberg / Getty Images This year’s UN Biodiversity Conference in Montreal, known as…

On the coastline of Gibraltar, blue metal floaters attached to a former World War II ammunition jetty bob up and down, turning the gentle rise and fall of waves into…

An asteroid just spotted for the first time seems to have been circling Earth for decades.  NASA Our planet has a pretty permanent relationship with the moon, but occasionally Earth’s…

A closer look at one of the craters seen by ESA’s Mars Express spacecraft in a “Christmas craterscape” image of the red planet. ESA/DLR/FU Berlin This story is part of…

The Ursid meteor shower gives a boost to the final days of the intense Geminid shower.  NASA/MSFC/Danielle Moser, NASA’s Meteoroid Environment Office If you can bear to step outside this…