NASA's InSight lander on Mars has detected two more crisp quakes on the Red Planet, both stemming from the same region where the mission's previous best observations originated.
More than a year into a pandemic that has killed nearly 3 million people worldwide, NASA estimates that COVID-19 will cost the agency perhaps as much as $3 billion.
The Mars helicopter Ingenuity is preparing for a historic take-off as NASA attempts the first powered, guided flight on another world.
It took a little help from the full moon to free the massive Ever Given cargo ship from its perch stranded across the Suez Canal.
A NASA spacecraft built to spot alien worlds has completed its first two years of work, and the tally is in: the mission hauled in 2,241 new planet candidates for scientists to study.
Astrophysicist Andrea Ghez has spent her scientific career peering at the center of the Milky Way, trying to see the invisible.
A U.S. weather satellite that retired eight years ago has fallen apart in orbit, breaking into at least 43 pieces, according to government representatives.
President Joe Biden has nominated former Florida senator Bill Nelson, a longtime NASA supporter, to lead the space agency.
The United Arab Emirates' (UAE) first-ever Mars spacecraft captured its most stunning image yet of the Red Planet as the probe continues preparing to begin its science observations in earnest.
NASA astronaut Mark Vande Hei may spend a year in space after his launch in April — and if that's the case, he'll welcome the opportunity.
Theoretical physics is supposed to be about pure, crisp ideas. But physics is done by humans, and human society brings messiness to any endeavor.
The venerable Hubble Space Telescope is recovering from a glitch that halted its science operations over the weekend, according to NASA.
Scientists think they've spied an alien world that lost its atmosphere — then conjured itself a new one.
China's Tianwen-1 mission has spent a month in orbit around Mars now and the photographs are already stunning.
Cleaning up the collapsed radio telescope at the iconic Arecibo Observatory in Puerto Rico could cost between $30 million and $50 million, according to the National Science Foundation (NSF).
For decades, the words "Arecibo Observatory" was shorthand for the facility's massive radio telescope, one of those rare instruments that reached icon status beyond its core science community.
NASA's Perseverance rover has spent a busy two weeks settling into its new home on Mars, most recently flexing its robotic arm for the first time.
A year ago, the bright red star Betelgeuse in the Orion constellation hit the headlines for a stark fading episode that astronomers couldn't explain. They still can't, although they keep trying.
The private launch company Rocket Lab unveiled its plans to launch a big, new rocket called Neutron by 2024 on Monday (March 1).
Eight years after an asteroid exploded over Chelyabinsk, Russia, scientists are taking advantage of a flyby of the infamous asteroid Apophis to practice protecting Earth from space rocks.
In anticipation of China's first Mars landing attempt, scientists are wondering whether the Tianwen-1 rover may carry Earthly contamination with it to the surface.