As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...

Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

This has been a most interesting year to follow Mars. If you've been monitoring the Red Planet since the start of 2025, you have no doubt noted the dramatic change in its brightness as well as the ...

Some of Earth's oldest rocks buried deep in Western Australia may hold new clues about the dramatic event that gave rise to ...

Starship, which has launched 11 times in South Texas, was NASA's vehicle of choice to land astronauts on the moon. Now the ...

As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...