An asteroid with a tiny chance of striking Earth in 2032 is triggering planetary defense planning
Asteroid 2024 YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a non-threat.
Morgan McFall-Johnsen
Senior Science Reporter
The odds of alien life just increased, NASA says after discovering DNA ingredients on an asteroid
NASA scientists found amino acids, key minerals, and nucleobases for DNA in samples from the OSIRIS-REx asteroid mission. It's a win for alien life.
How to see 6 planets align in a rare night-sky parade in January and February
Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you identify them.
If Blue Origin wants to give SpaceX a run for its money, it has a lot of catching up to do
Blue Origin scored a major win with its New Glenn rocket launch, but SpaceX still leads the space industry with a Falcon fleet and upcoming Starship.
SpaceX's new-generation Starship explodes after taking off on its latest test flight
SpaceX launched its Starship mega-rocket for the seventh time. It achieved an epic booster catch, but the ship was lost.
Jeff Bezos' Blue Origin launches New Glenn mega-rocket, entering the orbital big league
Jeff Bezos' company Blue Origin launched its New Glenn mega-rocket for the first time. The milestone is a leap for reusable rocketry.
The most horrific wildfires in recent US history have one key feature in common
Devastating fires in Lahaina, Hawaii and Paradise, California share a crucial root cause with the LA blazes. It's a clue to our fire future.
Satellite images show the scale of the destruction from LA's wildfires
Satellite imagery shows neighborhoods burned down, roads closed, and fires spreading across Los Angeles.
Photos from the LA fires show how houses catch on fire — and how homeowners can protect their property
Wildfires and brush fires can quickly spread into neighborhoods in large part because flying embers start little fires that then set homes ablaze.
The Getty Villa survived LA's firestorms while the area around it burned, revealing a key lesson for homeowners
The Getty Villa remained standing as fires razed homes around it. Getty staff have been doing simple yard work all year that homeowners should follow.
LA wildfires torch the city for a third day, 27,000 acres burn unchecked
Multiple major fires are tearing through parts of the Los Angeles area, with 5 dead and over a thousand buildings destroyed.
What fueled the LA wildfires now tearing through some of America's most expensive homes
California is no stranger to wildfires, but the firestorms raging through Los Angeles are different.
The horror of the Los Angeles firestorms is hard to grasp, but emerging photos give a sense of the destruction
The Palisades and Eaton fires are still raging through Los Angeles. Emerging photos offer a glimpse of how devastating their toll will be.
NASA scrapped its $11 billion scheme to grab Mars rocks that may point to alien life. Now it has a faster, cheaper plan.
NASA's mission to return samples from Mars and potentially discover the first signs of alien life has a new timeline. The samples may arrive sooner.
Freezing conditions to linger as Winter Storm Blair blankets US
Winter Storm Blair is bringing heavy snow to areas in the mid-Atlantic region that haven't seen such weather in a decade.
First US bird flu death recorded in Louisiana as outbreak spreads
A Louisiana patient has died from bird flu. It's the first bird flu death in the US. Public health risk remains low, officials report.
Photos show the 1,000 pounds of space debris that crash landed in Kenya. It's unclear who it belongs to.
A large metallic ring from space crash-landed in Kenya on New Year's Day. Officials want to determine its origins and hold the owner accountable.
Miami's beachfront high-rises are sinking fast. It's a warning for coastal properties worldwide.
Miami's luxurious barrier islands high-rises are sinking, pointing to an expensive issue for coastal properties and cities worldwide.
Astronauts' most jaw-dropping photos from the International Space Station show what 2024 looked like 250 miles above Earth
Pictures from the International Space Station do not disappoint, from comets and northern lights to giant hurricanes and cities at night.
Earth's orbit is so crowded that space traffic controllers issue more than 1,000 collision warnings per day
Satellites and chunks of space junk come close to colliding on a regular basis. The situation could get dangerously out of control.