For decades, U.S. astronauts and Russian cosmonauts have lived side-by-side aboard the International Space Station. Now some are wondering whether that partnership can withstand the war in Ukraine.
NASA and the European Space Agency are gearing up to bring home a pristine sample of Martian rock. But given the small chance of life on the red planet, they have to grapple with safety questions.
NASA and the European Space Agency are gearing up to bring home a pristine sample of Martian rock. But given the small chance of life on the red planet, they have to grapple with safety questions.
NASA should send probes to the ice giant planet of Uranus and to a moon of Saturn where conditions could be right for life. Those are some of the recommendations in a new report to the space agency.
The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets.
Mark Vande Hei, a NASA astronaut who returned to earth on March 30, said the yellow and blue colors were from the university the Russian cosmonauts attended.
Scientists using the Hubble Space Telescope have spotted light from what appears to be the most distant star ever seen. It offers a glimpse into an early moment in the history of the universe.
A NASA astronaut and the Russian cosmonauts parachute-landed in Kazakhstan on Wednesday after a trip back to Earth from the International Space Station, in a rare instance of U.S.-Russia cooperation.
NASA's Artemis 1 rocket, the Space Launch System, reached the Kennedy Space Center's Launch Complex 39B on Friday. The successor to the Apollo program could one day send humans back to the moon.
Picture perfect: Mission managers say the telescope's mirror segments have been aligned and have focused on single stars, a critical milestone, and the telescope is working flawlessly.