SpaceX, Boeing questioned about safety
Boeing and SpaceX plan initial test flights this year of new spacecraft designed to carry astronauts
NASA
Space telescope passes critical milestone
NASA's $8.8 billion James Webb Space Telescope passes a critical test of its optics
John Young, legendary astronaut, dead at 87
John Young ventured into space in pioneering two-man Gemini capsules, orbited the moon and walked on its cratered surface before commanding two space shuttle missions
New "American Girl" doll has eyes on the heavens
Toymaker says it wants to inspire girls to shoot high -- really high -- while also defying gender stereotypes
Bringing back supersonic flight, with quieter sonic booms
70 years after Chuck Yeager broke the sound barrier, NASA researchers are working to reintroduce supersonic flight to commercial aviation
Astronaut Peggy Whitson writes to her younger self – from space
Whitson, who has spent more time in space than any other American, returned from a 288-day mission in September
4 amazing science stories to watch in 2018
The New Year could bring us closer to a brain-computer interface, and to proving we're not alone in the universe
Bruce McCandless, iconic spacewalker, dies
Former NASA astronaut Bruce McCandless, who carried out the first untethered spacewalk, dies at 80
Dramatic NASA images show progress on massive Calif. wildfire
Firefighters use two days of calm conditions to build containment lines and set controlled fires to clear dry brush
Two new planets found orbiting distant suns
Advanced analysis of data from NASA's planet-hunting Kepler spacecraft leads to discovery of two new worlds
Rapid-fire space station crew swap on tap
Three space station crew members land early Thursday; three replacements take off Sunday
Trump signs plan to send Americans to moon, Mars
The order directs NASA to lead further space exploration programs to the moon and eventually Mars
NASA tests spacecraft engine 13 billion miles away
Launched in 1977, Voyager 1 is only spacecraft traveling through interstellar space
How to see the only "supermoon" of 2017
The sky will be illuminated with a brighter than usual glow Sunday
Full moon kicks off "supermoon trilogy," including lunar eclipse
Sunday night's Full Cold Moon -- a bigger and brighter full moon than usual -- will kick off a very special "supermoon trilogy," NASA says
"Potentially hazardous" asteroid to fly by Earth
NASA says 3200 Phaethon is third-largest "potentially hazardous" asteroid to pass by Earth
Russia says contact with satellite lost after launch
Engineers trying to communicate with "Meteor M 2-1" weather satellite as Russian space agency dealt another blow
Light pollution increasing around globe, researchers say
Satellite observations show Earth's artificially lit outdoor area grew by 2 percent a year from 2012 to 2016
Voyagers
The Voyager mission was only supposed to last four years. But four decades after the launch of Voyager 1 and 2, the spacecraft are still sending back messages from the farthest reaches of the final frontier. Anderson Cooper reports.
Keeping the Voyagers going
From an ordinary office in California, project manager Suzy Dodd and her team operate a spacecraft billions of miles away in space
What we know about the secret SpaceX payload
There are a few clues – but only a few – about the secret payload known as Zuma that's slated to launch into orbit
What NASA's 20-year time-lapse of Earth shows
Unprecedented space-based view sheds light on global warming and shows the planet literally "breathing"
Immortality in space for "Johnny B. Goode"
The Chuck Berry classic is aboard NASA's Voyager space probes, which are still sending back messages from billions of miles away. Anderson Cooper reports on Voyager 1 and 2 on this week's 60 Minutes
Interstellar visitor shaped like giant pink fire extinguisher
At approximately 100 feet by 100 feet by 600 feet, the asteroid or comet has proportions roughly similar to a fire extinguisher
Key weather satellite set for launch
Official say JPSS 1 will provide data six times faster than earlier satellites could manage with up to six times the resolution
How Charlie Kirk's assassination portends a national crisis
The murder of Charlie Kirk last week follows a litany of violent acts against political targets. Historian Jon Meacham talks about the existential questions now facing America.
Suspect in Charlie Kirk killing is not cooperating with authorities, gov says
Tyler Robinson, 22, was arrested on charges of aggravated murder, obstruction of justice and felony discharge of a firearm for the assassination of Charlie Kirk.
Colorado school shooter had account on "violent gore" site, ADL says
Desmond Holly and several school shooters in the past year were active on the same website, the ADL says.
Sen. Chris Coons: The internet "is driving extremism in our country"
In a joint segment with Republican Sen. James Lankford, Democratic Sen. Chris Coons said amid efforts to foster bipartisan discourse, the internet "is driving extremism in our country."
Ukrainian drones target one of Russia's top oil refineries
The strike on the Kirishi refinery, in Russia's northwestern Leningrad region, follows weeks of Ukrainian attacks on Russian oil infrastructure that Kyiv says fuels Moscow's war effort.
White House requests $58 million to increase security for executive, judicial branches
A White House official confirmed the extra funds would be directed to the U.S. Marshals Service and would also include enhanced protection for Supreme Court justices.
California legislature votes to phase out "forever chemicals" in cookware
California lawmakers voted to phase out a group of chemicals known as PFAS, which are often called "forever chemicals," in cookware.
Venezuela accuses U.S. of seizing fishing boat in Caribbean amid standoff
Venezuela's foreign ministry said nine fishermen were "illegally and hostilely" detained on Friday by the USS Jason Dunham.
Ex-world boxing champion Ricky Hatton found dead at age 46
Ricky Hatton shared the ring with the best boxers of his generation, including Kostya Tszyu, Floyd Mayweather and Manny Pacquiao.