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California wildfire smoke linked to increased autism diagnoses, new study finds

Children born to mothers who were exposed to smoke in southern California showed increased rates of autism, although the reason why is unclear

Can science explain consciousness?

A dive into how scientists are trying to understand what consciousness is and where it comes from

Watch three solar prominences erupt in epic video

A European spacecraft caught rare footage of three successive prominences popping off the sun

NASA quietly ends financial support for planetary science groups

The space agency will quit funding several independent science advisory groups this year

Deer may see hidden glowing signs in forests

Deer antler rubs and hoof scrapes change how parts of the forest reflect short-wavelength light, perhaps leaving a glowing signal

New JWST images show Helix Nebula in astonishing clarity

A fresh look at the Helix Nebula captures new details of the cycle of stellar life and death

Oldest cave art ever found discovered in Indonesia

Beating the previous record for the oldest known cave artwork by at least 15,000 years, a hand stencil in an Indonesian cave might shed light on when early humans migrated to Australia

Mystery Prototaxites tower fossils may represent a newly discovered kind of life

Towering prototaxites ruled Earth before trees—and they may have been a form of life entirely new to science

NASA Crew-11 astronauts reflect on ISS medical evacuation and future of human spaceflight

At a press conference, former ISS commander Mike Fincke said Crew-11's evacuation of the space station left him feeling more confident about human space exploration

‘Bat accelerator’ unlocks new clues to how these animals navigate

Bats use echolocation to get around, but it wasn't clear how these creatures managed to navigate dense environments—until now

Scientists just calculated how many microplastics are in our atmosphere. The number is absolutely shocking

A new estimate suggests land sources eject 600 quadrillion pieces of microplastic into the atmosphere every year