NASA launched the New Horizons probe which would provide never-before-seen images of the dwarf planet, its moons and other objects.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Marcus Chown’s “A Crack in Everything” is a journey through space and time with the people studying one of the most enigmatic ...

A suite of NASA scientific investigations and technology demonstrations is on its way to our nearest celestial neighbor aboard a commercial spacecraft, where they will provide insights into the Moon’s ...

Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...

Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary ...

Groundbreaking research into Mars' energy balance reveals a polar surplus driving dynamic weather patterns, including massive ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

In an era of town-torching megablazes spewing smoke plumes visible from space, scientists say there is still a lot they don't know about the effects of extreme fire on people, nature and the climate.

This week, explore the latest chapter of the new moon race, uncover extinct creatures that may be revived, get up close with tiny seahorses, and more.

Six planets grace the sky this month in what's called a planetary parade — Venus, Mars, Jupiter and Saturn are visible to the ...

Engaging articles, breathtaking images and expert knowledge ...