Three months after its launch from NASA's Kennedy Space Center in Florida, the agency's Europa Clipper has another 1.6 ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

"Temperamental" stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

A Month of Bright Planets Venus blazes at its brightest for the year after sunset, then Mars and Jupiter to rule the night ...