"Being off even a little bit represents hundreds or thousands of kilometers in distance on the surface of the Earth." ...

Kosmos-482, a failed Soviet Venus probe, re-entered Earth’s atmosphere in May, but tracking its exact descent proved elusive.

Only one of the known Venus co-orbital asteroids follows a nearly circular orbit; the others move on more elongated paths ...

Radar and gravity records from NASA’s Magellan orbiter show that Venus' surface is still shifting and is not geologically ...

For decades, Venus, often dubbed “Earth’s twin,” has been depicted as a barren, inhospitable world, its surface locked in an ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

Astronomers are making a surprising breakthrough in the study of Venus, as new simulations suggest there may be a hidden ...

On June 22, the moon, Venus and the Pleiades star cluster will form an extraordinary celestial triangle in the predawn sky ...

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.

In the 1960s, an unexpected gift from the Air Force led Herb Weiss ’40 to develop an antenna that could track a speeding ...

Jupiter will be too close to the sun to see Tuesday, but it will move farther out in the dawn sky and on Aug. 12 will have a ...

It’s widely known as a gravitational slingshot, though most scientists refer to it as a gravitational assist, and it’s an ...