After months aboard the International Space Station, Scott Kelly and Mikhail Kornienko are coming home.
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.
Reading the tea leaves on the president-elect’s space policy
Fans remembered Carrie Fisher, Russia investigated the cause of a plane crash, scientists determined how to address President-elect Donald Trump’s climate change denial, and more.
The Syrian government recaptured long-held rebel territory, President Obama made some end-of-term moves, the Berlin Christmas market reopened, and more.
ISIS claimed responsibility for the deadly truck crash in Berlin, the Obama and Trump administrations offered differing responses to violent attacks overseas, an explosion at a Florida nylon factory caused a Reddi-wip shortage, and more.
A Russian ambassador was killed in Ankara, electors cast their ballots for the next U.S. president, North Carolina began the process to repeal its controversial “bathroom bill,” and more.
New research suggests water ice lurks under the surface of the dwarf planet.
Astronomers say they could detect signs of advanced civilizations by searching for their defense mechanisms.
A discovery builds on existing research that suggests dinosaurs didn’t look like they do in Jurassic Park.
The former senator and first American to orbit the Earth has died at 95.
The James Webb Space Telescope, $8.8 billion and 20 years in the making, is undergoing rigorous testing to make sure it can survive launch.
Donald Trump continues to maintain close ties to his businesses, prompting questions over how he’ll keep those interests separate from the White House.
In 1997, David Wolf cast his ballot in microgravity. This year, he’s happy to wait in line on Earth.
The battle for Mosul continues, Donald Trump received more criticism for threatening to sue his female accusers, and more from across the United States and around the world.
New research estimates there are 2 trillion galaxies in the observable region of the cosmos, an order of magnitude more than previously thought.