Our planet has recently been struck by an extraordinary burst of cosmic rays, demonstrating an intensity level that is unparalleled in recorded history. As we delve into the specifics of this event, ...

Many massive stars explode as supernovae. If cosmic-ray baths are common in such environments, then the thermal histories that shaped Earth's interior may be common as well. This realization has ...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy spectrum—which shows a sharp decrease ...

"Understanding these cosmic rays allows us to unveil big particle accelerators in the universe that are often associated with the most violent phenomena." When you purchase through links on our site, ...

Michigan State University astrophysicists are closing in on one of space science’s biggest mysteries: where the galaxy’s most energetic particles come from. Their studies uncovered a pulsar wind ...

The first step on the moon was one of humanity's most exciting accomplishments. Now scientists are planning return trips—and dreaming of Mars beyond. And finally, the trip to Mars is planned for the ...