Space

When the universe’s first stars emerged from the cosmic dark ages, they ballooned to 10,000 times the mass of Earth’s sun, new research suggests.

The European Space Agency’s exoplanet-investigating spacecraft CHEOPS has had its mission extended until at least 2026.

A SpaceX Falcon 9 rocket is poised for launch from Cape Canaveral just after sunset Friday on mission to haul two SES television broadcasting satellites into orbit, continuing a multibillion-dollar program to clear C-band spectrum for terrestrial broadband. SpaceX’s 38-minute launch window opens at 7:38 p.m. EDT (2338 GMT), just […]

Welcome spring by hunting down the stunning objects in this historical catalog from March 17 to 24.

New technology is a key to helping NASA advance its long-term exploration goals for the benefit of all. To support its effort, the agency announced Thursday it will create two new institutes to develop technology in critical areas for engineering and climate research.

SpaceX’s huge Starship vehicle could launch on its first-ever orbital test flight next month, if regulatory approvals come through, Elon Musk said.

A day-and-a-half after launching from Florida, SpaceX’s Cargo Dragon spacecraft docked at the International Space Station at 7:31 a.m. EDT (1131 GMT) Thursday to deliver fresh food, experiments, CubeSats, and a suite of U.S. military tech demo payloads.

Astronomers have long known where water is first formed in the universe and how it ends up on planets, asteroids, and comets. A recent discovery has finally answered what happens in between.

The vast, swirling ocean within Jupiter’s moon Europa may be affecting the rotation of its icy crust, scientists say.

Leo hosts five galaxies with Messier status but, inexplicably, the fantastic spiral NGC 2903 is not one of them.