This January, the night sky promises a celestial spectacle as four planets dance across the sky. Venus, Saturn, Jupiter, and ...

Earth" and a massive outer planet, revealing insights into extreme planetary evolution. An international research team, led ...

On Jan. 13, bright Mars will disappear behind the full moon for several hours. It's the only lunar occultation of Mars ...

Chile, Argentina, the U.K., Norway, Australia, New Zealand and France—maintain territorial claims on the continent.

"We don't know exactly what they are or what material is creating the patterns we have uncovered," researcher Thomas Schouten said.

Automatic citizenship for people born in the United States is guaranteed by the 14th Amendment to the Constitution.

NASA is pitching a cheaper and quicker way of getting rocks and soil back from Mars. Administrator Bill Nelson presented two ...

Greenland plays an outsized role in the daily weather experienced by billions of people and in the climate changes taking ...