NASA’s Parker Solar Probe Preps for Record-Breaking Christmas Eve Flyby
The Parker Solar Probe will swoop just 6.1 million kilometers above the sun’s surface on Christmas Eve. Scientists are thrilled at what we might learn
Behold! 2024’s Most Stunning Space Photos
See the year’s most striking images from the Hubble and James Webb space telescopes, NASA’s Mars rover and the best sky watching on offer
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NASA’s Beloved Voyager Probes Find Puzzles beyond the Solar System
For two decades now, the iconic twin Voyager spacecraft have been quietly overturning everything we thought we knew about the boundary between our solar system and interstellar space
NASA’s Artemis Program Hits Another Delay—And Looks to the Future
While contending with lingering hardware issues for its crewed lunar plans, the U.S. space agency projects confidence and urgency in a time of transition
Who Is Jared Isaacman, President-Elect Trump’s Pick to Lead NASA?
NASA’s presumptive next leader, billionaire private astronaut Jared Isaacman, already has big plans for the space agency
Ending NASA’s Chandra Will Cut Us Out of the High-Resolution X-Ray Universe
The Chandra X-ray Observatory is facing closure. Shutting it down would be a loss to science as a whole
Plans to Trash the Space Station Preview a Bigger Problem
A special spacecraft will guide the space station through Earth’s atmosphere, but what about other large pieces of space debris?
NASA’s Europa Clipper Spacecraft Aims for Jupiter’s Most Intriguing Moon
For the first time, we are sending a spacecraft to explore an alien ocean world—a moon that might host life today
Can Scientists Save the World from an Apocalyptic Asteroid Strike?
Sooner or later a doomsday asteroid will wipe out most life on Earth—unless, that is, we prevent threatening space rocks from hitting us in the first place
NASA Needs a ‘Lunar Marathon’ to Match China on the Moon
We are in a new and different kind of moon race, one the U.S. is losing. To win, says a former NASA official, we need new strategies
What Really Happened at the Pentagon’s Once-Hidden UFO Office?
An office in the Pentagon investigated UFOs—and the paranormal—over a decade ago, segueing into a long saga leading to Congressional hearings and breathless news stories today. But the real story looks more like former defense officials pushing their personal mythology, rather than any cover-up of aliens
Meet Earth’s New Mini Moon
A small asteroid, 2024 PT5, will spend the next two months alongside our planet as a mini moon before swooping back to deep space