The Out Astronaut Contest is now accepting submissions until Jan. 31.
Apollo 11 astronaut Edwin "Buzz" Aldrin, who landed on the moon over 51 years ago, received his first COVID-19 vaccine yesterday (Jan. 18).
This week, NASA revealed that 2020 tied with 2016 as the hottest year on record. So what does this mean for the future of our planet and life on Earth?
Scientists have found the most distant quasar yet known — and it's home to a seriously supermassive black hole.
NASA plans to test-fire the four main engines of its first SLS heavy-lift booster on Saturday (Jan. 16) at the Stennis Space Center in Mississippi.
About 21,000 light-years from Earth, far-off in the Milky Way galaxy, astronomers have spotted the fastest-spinning (and possibly the youngest) magnetar ever seen.
How will future astronauts get back home to Earth from Mars? According to a new study, they could make rocket fuel from the methane that's already on the Red Planet.
Scientists have taken a fresh look at the observable (expanding) universe and have estimated that it is 13.77 billion years old (plus or minus 40 million years).
The Indian Space Research Organisation (ISRO) has revealed plans to develop reusable rocket-launch technology this decade, according to a report by SpaceNews.
This October, I left the comfortable embrace of Earth's gravity, taking to the skies aboard a "zero-gravity flight."
NASA has shared some helpful tips for how to photograph the "great conjunction" of Jupiter and Saturn on Dec. 21, 2020.
Astronomers have peered out into the vast expanse and spotted what they think is the farthest (and oldest) galaxy ever observed.
Following the collapse of the historic Arecibo Observatory in Puerto Rico, China has opened the biggest radio telescope in the world up to international scientists.
I watched the contentious 2020 presidential election unfold from 71 million miles (114 million kilometers) away on the surface of Mars and it was … different.
NASA and the European Space Agency (ESA) have selected a trio of astronauts to fly to space as part of SpaceX's Crew-3 mission.
Astronauts endure radiation, weightlessness, isolation and a number of other physical and mental stresses of spaceflight. So what do these hazards actually do to their bodies?
The only total solar eclipse of 2020 is coming up this Monday (Dec. 14) and here's how you can follow along with its phases.