Ever since astronomers first spotted their first-ever object from beyond our solar system, it has offered more questions than answers — what is it? Where did it come from? Why is it so darn weird?
While Ivanka Trump has a high-profile job advising her father, the president of the United States, she told the International Space Station Expedition 56 crew Thursday (Sept. 20) that she had different childhood ambitions.
A comic strip beagle shares space with a romantic novel and an iconic starship in a new exhibit that asks the public to consider: What would you pack if you were leaving Earth?
Flat-Earthers try to explain the equinox, and the results are as odd as you'd expect.
Turns out, humans are shifting the planet's spin.
With unseasonably warm summer temperatures persisting over much of the world this year, it seems hard to believe that this is the week of the Harvest Moon, the full moon nearest to the autumnal equinox.
Fresh vegetables on Mars, anyone?
The basic argument laid out by AFA is that while there might be a need for a Space Force, now is not the time to break up the Air Force.
Boeing and SpaceX, who have been struggling to meet safety thresholds established by NASA for commercial crew vehicles, now believe their vehicles can meet those requirements as they prepare for test flights scheduled in the next several months.
A NASA long-duration balloon mission observed glowing blue clouds that ripple at the edge of Earth's atmosphere.
Preparations are already underway for missions that will land humans on Mars in a decade or so. But what would people eat if these missions eventually lead to the permanent colonization of the red planet?
During an appearance on Monday at the Air Force Association's annual symposium, Shotwell was thrown a question she said she had never heard before: "Would SpaceX launch military weapons?"
We assume that the stars' positions in the heavens are eternal. But everything in space is in motion.
Captured 15 minutes after the end of totality during the longest total lunar eclipse of the century, this scene shows the red glow of a partially eclipsed moon very close to Mars.
A pair of tiny Japanese robots sent back wild images once they successfully landed on their new home, the asteroid Ryugu.
Visitors at the Intrepid Sea, Air & Space Museum on the Hudson River here in New York can now come face to face with a hologram of Mae Jemison, the first African-American woman in space.
A Japanese cargo spacecraft is scheduled to launch toward the International Space Station today (Sept. 22), and you can watch the action live.
It's still unclear exactly what's ailing NASA's Curiosity Mars rover, but mission team members are optimistic they can get the six-wheeled robot up and running again.
Autumn is right around the corner for everyone in the Northern Hemisphere, while those in the Southern Hemisphere are gearing up for warmer spring weather.
A robotic Japanese resupply ship launched toward the International Space Station today (Sept. 22), kicking off a four-day orbital chase.