With the help of mannequins named Helga and Zohar and sensors placed inside a spacecraft, scientists have collected valuable ...

Research published in the Astrophysical Journal Letters reveals that supernovae release iron isotopes into space.

The old joke about the dinosaurs going extinct because they didn't have a space program may be overselling the need for one.

Radiation from a nuclear explosion can vaporize the surface of an asteroid and change its trajectory, a new study finds.

As the number of satellites around the Earth increases, so does the risk of radio interference, a rising concern for ...

With NASA's crewed mission to the moon only a year away, first results from radiation experiments onboard Artemis 1 suggest ...

More and more climate scientists are supporting experiments to cool Earth by altering the stratosphere or the ocean ...

Radiation is all around us.The radiation you'd receive by taking a 5.5-hour flight from New York to Los Angeles is nearly 100 times less compared to the levels you would experience in some of the ...

The radiation dose for the 2.5 year round trip between Earth and Mars should give approximately a 1% lifetime increase of a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. As Artemis II ...

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...