Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

The alignment of seven planets in the night sky has captivated observers for centuries, inspiring awe and curiosity. This ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

While the planets are technically always "aligned" along the same plane in our sky, seeing so many at once is a special ...

A nearby star that may host a planet or two could provide a clue about whether planets orbiting the smallest stars can survive the bullying of their suns. In a press conference last week at the ...

As we discussed last month, late January and early February will provide a stage for a Planet Parade, with six planets lining up in the night sky. On February 1, we should see the crescent moon in ...

With nearly 6,000 people working in 80 nations to address biodiversity & climate crises, TNC experts are collaborating to scale the highest-impact work around the world.

This January and February, a rare planetary alignment featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will be visible, with Mercury joining in late February for a seven-planet display.

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.