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In people with traumatic brain injury, administering the psychedelic drug ibogaine seems to slow down brainwaves, which may explain why it helps treat PTSD

In people with traumatic brain injury, administering the psychedelic drug ibogaine seems to slow down brainwaves, which may explain why it helps treat PTSD

Bone fragments found on King George Island have been identified as Dennis "Tink" Bell, a British meteorologist who fell into a crevasse in 1959

Bone fragments found on King George Island have been identified as Dennis "Tink" Bell, a British meteorologist who fell into a crevasse in 1959

Roscosmos cosmonaut Kirill Peskov, left, NASA astronauts Nichole Ayers and Anne McClain, and JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi are seen inside the SpaceX Dragon Endurance spacecraft aboard the SpaceX recovery ship SHANNON shortly after having landed in the Pacific Ocean off the coast of San Diego, Calif., Saturday, Aug. 9, 2025. McClain, Ayers, Onishi, and Peskov returned after 147 days in space as part of Expedition 73 aboard the International Space Station.

NASA/Keegan Barber

The members of NASA’s SpaceX Crew-10 mission – Roscosmos cosmonaut Kirill Peskov, left, NASA astronauts Nichole Ayers and Anne McClain, and JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi – are all smiles after having landed in the Pacific Ocean off the coast of San Diego, Calif., Saturday, Aug. 9, 2025. The crew spent seven months aboard the International Space Station.

Along the way, Crew-10 contributed hundreds of hours to scientific research, maintenance activities, and technology demonstrations. McClain, Ayers, and Onishi completed investigations on plant and microalgae growth, examined how space radiation affects DNA sequences in plants, observed how microgravity changes human eye structure and cells in the body, and more. The research conducted aboard the orbiting laboratory advances scientific knowledge and demonstrates new technologies that enable us to prepare for human exploration of the Moon and Mars.

McClain and Ayers also completed a spacewalk on May 1. It was the third spacewalk for McClain and the first for Ayers.

See more photos from Crew-10 Splashdown.

Image credit: NASA/Keegan Barber

NASA/Keegan Barber

The members of NASA’s SpaceX Crew-10 mission – Roscosmos cosmonaut Kirill Peskov, left, NASA astronauts Nichole Ayers and Anne McClain, and JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi – are all smiles after having landed in the Pacific Ocean off the coast of San Diego, Calif., Saturday, Aug. 9, 2025. The crew spent seven months aboard the International Space Station.

Along the way, Crew-10 contributed hundreds of hours to scientific research, maintenance activities, and technology demonstrations. McClain, Ayers, and Onishi completed investigations on plant and microalgae growth, examined how space radiation affects DNA sequences in plants, observed how microgravity changes human eye structure and cells in the body, and more. The research conducted aboard the orbiting laboratory advances scientific knowledge and demonstrates new technologies that enable us to prepare for human exploration of the Moon and Mars.

McClain and Ayers also completed a spacewalk on May 1. It was the third spacewalk for McClain and the first for Ayers.

See more photos from Crew-10 Splashdown.

Image credit: NASA/Keegan Barber

Before the Xenomorph crash-lands on streaming, we talked to five Alien: Earth cast members about the difficulties and fun of navigating the giant sci-fi show.

The Perseids are the best annual meteor shower, but this year’s show will be dimmed by a bright gibbous moon

Life expectancy has increased dramatically over the past century, but our years of good health appear not to have kept pace. Now, a new lens on what it means to age well is reshaping our view of our golden years

Life expectancy has increased dramatically over the past century, but our years of good health appear not to have kept pace. Now, a new lens on what it means to age well is reshaping our view of our golden years

The numbers of many tropical birds are plummeting, and now it has been shown that heat extremes intensified by global warming are the biggest factor driving these declines

The numbers of many tropical birds are plummeting, and now it has been shown that heat extremes intensified by global warming are the biggest factor driving these declines

Scientists are making milestones on NASA's Roman Space Telescope as Trump continues to threaten the agency's science budget.

ESA's Mars Express spacecraft has been imaging the dynamic Acheron Fossae region of Mars for more than 20 years.

Companies are experimenting with deep-sea tech to produce cheaper fresh water

The quickest way to win the board game Guess Who? involves asking sneaky questions that involve a logical paradox, according to mathematicians

The quickest way to win the board game Guess Who? involves asking sneaky questions that involve a logical paradox, according to mathematicians

A distant galaxy nicknamed "Cosmic Grapes" is bursting with massive star-forming clumps — far more than expected — offering fresh clues about how galaxies grew in the early universe.

Explore the words of science past from Scientific American