The moon will be 99% full Friday night, and with mostly clear skies expected for Louisville in the evening, tonight is a good ...

As more satellites are launched into orbit, space agencies are looking at how to predict space weather events that could harm ...

In May, the White House released a budget proposal that would slash NASA funding. But a Senate appropriations plan would protect the agency's budget.

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

An analysis led by the University of Chicago of Mars Science Laboratory Curiosity rover data may explain why the planet was ...

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of ...

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

By discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's ...

New computer models suggested that the Mars Reconnaissance Orbiter (MRO) could get better radar data if it rolled farther ...

NASA's Mars orbiter captures 1st photo of Curiosity and its winding tracks: Take a look NASA's Curiosity rover is hunting for microbial life on Mars. Space agency's reconnaissance orbiter snapped ...

That's because Mars and Earth are relatively close together. Earth's orbit of the sun, at roughly 365 days, is much shorter than Mars' 687-Earth-day orbit.

Thanks to the parallax effect, the Moon's relative motion in its orbit around Earth appears significantly faster than the movement of Mars in its orbit around the Sun.