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.

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

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

What do you call an object that has all the characteristics of a moon, but whose mass compares to that of a giant planet? The ...

Another development to look forward to. The post Earth’s Lower Orbit Could Rapidly Collapse, Scientists Warn appeared first ...

SpaceX is no longer content with using rockets to launch satellites that beam internet back to Earth. The company now wants ...

Astronomers have identified a potentially habitable, Earth-size planet located about 146 light-years from our solar system, ...

From Mercury’s rare appearance to NASA’s Artemis II launch window, here’s everything to watch in the skies this month.

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

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

As of Monday, Feb. 2, the Moon phase is Waning Gibbous. According to NASA's Daily Moon Guide, 99% of the Moon will be lit up ...

The views of the setting sun are just as spectacular from space as they are on Earth.