An Atlas 5 rocket, boosted by an RD-180 main engine and one strap-on solid rocket motor, lifts off from pad 41 at Cape Canaveral Space Force Station with a pair of U.S. Space Force tracking satellites. Credit: Alex Polimeni / Spaceflight Now Two satellites for a once-classified U.S. military program to track and inspect other spacecraft in orbit — a ...

Do you have a few minutes to spare and a thirst for knowledge about one of the greater mysteries of the Universe? Then head on over to ArsTechnica and check out the new series they’re releasing titled Edge of Knowledge, starring none other than Dr. Paul Sutter. In what promises to be an enlightening journey, Dr. Sutter will guide viewers ...

A new machine-learning model could enable robots to understand interactions in the world in the way humans do. When humans look at a scene, they see objects and the relationships between them. On top of your desk, there might be a laptop that is sitting to the left of a phone, which is in front of a computer monitor. Image ...

Astra’s small satellite launcher was test-fired at Cape Canaveral’s Complex 46 launch pad Saturday. Credit: Astra / John Kraus Astra, a company seeking to carve out a segment of the growing small satellite launch market, test-fired its two-stage rocket at Cape Canaveral on Saturday in preparation for an upcoming demonstration flight for NASA. The engine test-firing, called a static fire ...