NASA is racing to contact a lost probe that mysteriously lost contact over Mars in early December. The $582.5 million Maven ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

Many objects in space rotate. Earth completes a spin in roughly 24 hours, while Venus takes a whopping 243 Earth days. The ...

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually ...

Professor of Earth, Environmental, and Planetary Sciences, University of Tennessee If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in ...

Elon Musk’s aerospace company is reportedly targeting a mid-June IPO because there will be a spectacular planetary alignment ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

A unique characteristic of the candidate planet HD 137010b is its ice-cold temperature.

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in 1930, at a time when astronomy still relied on patient observation and ...

Clyde Tombaugh, who was born on this day in 1906, grew up on a farm in Kansas and was captivated by sights of the moon and ...

The big astronomical event in February is a rare “planetary parade,” according to NASA. You’ll be able to see Mercury, Venus, ...