Three years after the first capsule was launched, SpaceX will now limit its reusable Crew Dragon fleet to four carefully maintained spacecraft.
An eruption of plasma from the sun prompted warnings of possible satellite disruption and of auroras being visible in Michigan and Maine on Monday morning.
A transgenic lettuce may address bone loss not only for space travelers but also patients on Earth.
A NASA satellite has found a new world with a radius similar to the gas giant Jupiter, but with a fraction of its mass, where a year lasts just over three days.
As NASA readies a human return to the moon for the first time in decades, the agency has announced SpaceX's Starship lander will have commercial competition.
The spacewalk sees astronauts Matthias Maurer and Raja Chari step into the vacuum of space to install crucial cooling hardware on the International Space Station.
The enormous rocket is set to return humans to the moon for the first time in decades—and onwards to Mars.
From planets with metal clouds to sideways glass rains, scientists have discovered over 5,000 worlds outside the solar system with some unlike anything found in our region of space.
Kelly, a former NASA astronaut, said he will keep sharing "accurate news" about the war in Ukraine with his Russian followers.
"But at the end of the day, he's worked with us," affirmed Bill Nelson in a new interview.
The enormous transport vehicle, tasked with moving NASA's mega moon rocket to its launch pad, is capable of shifting 18 million pounds and has a top speed of one mile per hour when loaded.
The groundbreaking new telescope, which was launched in 2021, shares its orbit with a fellow space observatory which recently snapped its photo.
The two enormous rockets, set to be the most powerful ever made, are expected to usher in a new era of human spaceflight.
The new image released by the groundbreaking telescope is its clearest one yet, showing a bright star and distant galaxies.
The huge vehicle is the backbone of NASA's plans to return astronauts to the moon within a few years—and it's finally seeing the light of day.
The record-breaking beam is emanating from a pulsar—a rapidly rotating, collapsed star with a strong magnetic field—located around 1,600 light-years from Earth.
NASA is preparing the Space Launch System and Orion Spacecraft for final tests before a series of Artemis I missions that will eventually see humanity return to the surface of the moon.
The "awesome visualization" shows global surface temperature change between 1880–2021.
Speculation that Vande Hei could be left behind on the ISS appears to have been sparked by a spoof video released by Russia's space agency.
Mark Vande Hei's plan to return in the Soyuz capsule with two Russian astronauts remains unchanged despite increased tension between the two countries.
The space rock called 2022 ES3 will be traveling at more than 40,000 miles per hour when it passes between the Earth and the moon's orbit on Sunday.
The Roman Space Telescope, planned for launch no later than 2027, will have a field of view 200 times larger than Hubble's and will peer at rocky worlds to search for life.
Rogozin, director general of Roscosmos, blocked Kelly after apparently calling him a "moron" as Russia's space program becomes increasingly isolated.
Dmitry Rogozin, the head of Russia's space agency, said it could "no longer supply the U.S. with our rocket engines that are the best in the world."
"If you block cooperation with us, who will save the ISS from an uncontrolled deorbit and fall into the United States or Europe?" Dmitry Rogozin wrote.
Imagery of the eruption was captured by the Solar Orbiter spacecraft's "Full Sun Imager," which was designed to observe the full solar disc, even during close flybys of the sun.
The clouds of frozen carbon dioxide were photographed at an altitude of around 50 miles by NASA's Curiosity rover.
China, competing with the U.S. in space, also laid out plans for a near-Earth object defense system and a mission to return samples from the moon.
The space agency's most advanced rover ever has been exploring the Red Planet for a year, pushing the boundaries of discovery on another world.
Whether it's the vastness of the universe, or the amount of insects on Earth, Reddit users delved into some of science's most magnificent facts.