After months aboard the International Space Station, Scott Kelly and Mikhail Kornienko are coming home.
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.
A new study put cancer patients on parabolic flight to see how microgravity worsens astronauts’ eyesight.
“Too many years have passed for me to still be the last man to have walked on the moon.”
After a four-month launch hiatus, the company’s Falcon 9 rocket successfully sent a communications satellite into orbit and returned its first stage to a floating robotic barge.
Astronomers say some of the galaxy’s most distant stars were actually whisked away from a passing mini-galaxy.
New research suggests the moon was the result of a series of smaller collisions rather than a single catastrophe, contradicting a theory that has been widely accepted for over 30 years.
The agency just greenlit a robotic mission to the most metal-rich space rock in the solar system.