A Times reporter and a photojournalist traveled above the Arctic Circle to retrace the footsteps of scientists who studied auroras over a century ago.

Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...

A new study shows that, not only did the agency’s 2022 DART mission shift the orbit of the moonlet Dimorphos, it also changed the path of its parent asteroid around the sun.

NASA’s DART mission precisely measured changes in asteroid Dimorphos’ orbit and the Didymos system’s heliocentric motion using radar, stellar occultations and space observations.