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NASA astronaut and ISS leader Mike Fincke transferred station command to a Russian cosmonaut ahead of an unprecedented medical evacuation

New research links same-sex behaviors in nonhuman primates to the evolution of complex social structures

Discovered by volunteer scientists, this alien planet is out of synch with its siblings

A traditional card deck happens to dodge a tricky poker paradox. Other poker variants aren’t so lucky

Why flu cases are spiking, how AI predicts disease from your sleep, and what surprising biomechanics lie behind woodpeckers’ powerful pecks.

'Wake up and ask yourself, 'Is what I'm doing helping us get back to the moon?' … If it's not, stop doing it.'

It was the 114th Falcon 9 mission of 2025 already.

"This shows how effective the approach of 'Discover with Subaru Telescope, explore with James Webb' can be."

The new finding may solve an "astrophysics mystery that has stood for nearly half a century."

"Sometimes it's the extreme objects that help us understand what's happening in the average ones."

These celestial wonders can tell us a lot about the state of the atmosphere at home on Earth as well as on other planets.

Phases of ice that exist naturally only on frozen moons could be detected using infrared spectroscopy, according to new laboratory experiments.

The beams hint at the true scale of the massive star that spawned them.

"Capturing another satellite like this in an Earth-observation image is extremely rare."

Though NGC 7456 looks like a modest spiral galaxy, new Hubble and XMM-Newton observations reveal a bustling system with star-forming regions and an active core.

"The idea was for our payload to get us just up to the potential biosignature designation and have the rest of the story told by instruments here on Earth."

Liftoff is scheduled for 11:54 a.m. ET today (Sept. 11).

SpaceX promises a step change in performance for cell phone users around the world.