As more satellites, telescopes, and other spacecraft are built to be repairable, it will take reliable trajectories for service spacecraft to reach them safely. Researchers in the Department of ...

Situation is significant enough to warrant global planetary defence community's attention. Astronomers plan to use James Webb ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the Earth’s magnetic field went haywire. The compelling 2021 study tells the ...

While congress talks about "Red, White and Blueland," Florida researchers view Greenland as a rich source of scientific clues.

A new study shows that the inner core changed shape in just a few decades, challenging previous assumptions and revealing ...

Seismic wave data previously suggested the Earth’s hot inner core is slowing its spin. Now, researchers say it’s also ...

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...

The Webb telescope is well-suited to identify asteroid 2024 YR4's size. Webb views a type of light we can't see with the ...

In the race to meet the United Nations' 2030 Sustainable Development Goals (SDGs), Earth observation (EO) satellite data is ...

Scientists at Yale and in Singapore have devised what may be the ultimate acid test—a comprehensive model for estimating the ...

Dust off your old science textbook from grade school and you’ll probably find a familiar illustration of the Earth sliced in half, revealing the planet’s layers, from the crust down to the core — ...