The ancient stellar death took place when the universe was a mere 730 million years old. MAVEN has circled Mars for more than a decade, exploring the planet and relaying data from robots on the ...

The sun's distance from Earth changes throughout the year but it has nothing to do with the seasons. The term "perihelion" describes the point in an astronomical body's orbit where it is nearest to ...

When is the winter solstice? The next winter solstice for the Northern Hemisphere will occur on Dec. 21, 2025, and the next Winter Solstice for the Southern Hemisphere will occur on June 21, 2025. The ...

NASA study shows how satellite 'light pollution' hinders space telescopes An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications ...