NASA has begun flipping on the instruments aboard the Roman Space Telescope to prepare the observatory for its scientific mission as it travels nearly a million miles to its final destination in orbit.
Some vampire white dwarfs that feed on companion stars can transform into neutron stars, but like a cosmic Goldilocks, conditions must be "just right" for this extreme makeover.
On Sept. 16, 1949, the U.S. launched a V-2 rocket with a monkey named Albert III on board. Here's how it happened and why it mattered.
Neil deGrasse Tyson discusses his latest book, "Lost in Space," a gorgeously illustrated 400-page odyssey around the heavens.
James Webb Space Telescope spies colossal cosmic cloud | Space photo of the day for Sept. 16, 2026
This summer's sci-fi mystery about alien conspiracies finally lands on the streamer next month.
The hunt is on for a state to host the newly announced U.S. Space Academy. Groundbreaking for the new institution, wherever it ends up being, is targeted for 2027.
Russia plans to launch the Progress 96 cargo mission to the International Space Station today (Sept. 16), and you can watch the action live.
Originally planned to have a primary five-year mission followed by a five-year extended mission, the Nancy Grace Roman Space Telescope will now operate for over two decades.
Blizzard Entertainment is returning to StarCraft with an all-new game that's leaving the series' real-time strategy roots behind.
The U.S. Space Force is opening up about its operation of orbital weapons, "that can defend the joint force against space-enabled attacks."
SpaceX is targeting Sept. 22 for Starship's first-ever orbital launch, a landmark flight that will deploy 26 Starlink satellites and last about 10 hours.
Could we find alien technology embedded in moon dust?
Remember when the King of Pop joined forces with Coppola, Lucas and Disney for an inspiring 3D space musical?
By making fuel on the Red Planet rather than bringing it from Earth, a Mars mission could save vital mass.
A satellite's view from above fills the gaps in our understanding of the grim realities of war and makes it harder for totalitarian regimes to hide their crimes. But challenges exist.
On Sept. 15, 1968, the Soviet Union launched the Zond 5 spacecraft carrying tortoises and more on a mission to loop around the moon and return to Earth. Here's why it mattered.
"Both of our workspaces this week contained features unlike quite anything we have seen in the past."
International Observe the Moon Night 2026 occurs on Sept. 19 as the lunar disk is well placed for exploring its craters, mountains and ancient lava plains.
SpaceX will launch its second classified mission for the U.S. Space Force in less than a week tonight (Sept. 15), and you can watch the action live.