After months aboard the International Space Station, Scott Kelly and Mikhail Kornienko are coming home.
Astronomers have glimpsed the telltale signs of newly formed stars inside the powerful winds of a supermassive black hole.
The new administration plans to bring back a committee that has tried over the years to guide policy—with mixed results.
Sometimes technology works, and sometimes it really, really doesn't.
Critics had plenty of reasons for wanting to disqualify women from spaceflight in its early stages—but none of them stuck.
Cassini has captured unprecedented views of the oddly shaped Pan during the spacecraft’s final weeks.
Three researchers describe their findings in NASA’s study of identical twin brothers, one in space and one on Earth.
To make a triumphant return to the moon with two dudes on board would be, well, less triumphant.
Hydrogen-spewing eruptions could help heat the atmospheres of planets that were once thought to be outside of the habitable zone.
The company plans to take two people—not astronauts, but private citizens—on a trip around the moon next year.
A pair of illustrators turned tiny blips in data into vivid views from the TRAPPIST-1 star system.
And all of them are in the temperate zone.
The company has launched a Falcon 9 rocket from a historic launchpad at Cape Canaveral and landed its first stage upright on solid ground.
The space agency is in limbo as it waits for direction from Trump and a Republican-controlled Congress.
The Dawn spacecraft has detected for the first time evidence of organic compounds on the dwarf planet.
NASA spacecraft Juno is providing a fresh look at the gas giant since settling into its orbit last summer.
The plan could dramatically shift the mission of the space agency, prioritizing low-Earth orbit activity over distant exploration.
Scientists believe these light-eating bodies come in three sizes, but they haven’t yet confirmed that “medium” truly exists.
Astronomers have added a new data point in their attempts to answer the cosmic question.
While Trump works to lay out a new policy for NASA, China is set to conduct a record number of launches this year.
A collection of woman-on-the-street interviews from the march in Washington, D.C.