WASHINGTON (AP) — President Donald Trump has arrived at a delicate moment as he weighs whether to order a U.S. military ...

Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could ...

Research shows that burning hydrogen-blended gas into older appliances not designed for it can increase emissions of nitrogen ...

Imagine being one of the biggest stars on the planet and still getting a "not so fast" from security. That’s exactly what ...

NASA lost contact with the MAVEN probe in Mars orbit, and teams are working to reestablish communications after an unexpected ...

The analysis revealed a recurring cycle of industry opposition, FRA inaction, congressional capitulation and tragedy.

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

Jupiter’s most famous storm is slimming down, spinning up and behaving in ways that challenge what scientists thought they ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

Wausau Pilot & Review Jupiter steals the show this week as the solar system’s largest planet reaches opposition, shining ...