Venus, often called Earth's "sister planet," shares striking similarities with our world,yet it has become one of the most ...

On Aug. 3, 2004, NASA launched the MESSENGER spacecraft on a historic first mission to orbit the planet Mercury. The ...

Venus, known as Earth’s “sister planet,” is anything but hospitable. With its thick atmosphere, extreme pressure, and scorching heat, Venus has long been considered a lifeless world. However, recent ...

For millennia, Venus has graced our skies as the brilliant "Morning Star" or "Evening Star," its dazzling presence inspiring ...

August brings Saturn and Neptune together, offers two shadow transits of Titan, and sees a conjunction of Venus and Jupiter.

Could microbial life be drifting in the clouds of Venus? With unexplained signs of phosphine and ammonia scientists are developing a bold new space mission to find out. A UK-backed space mission may s ...

Japan's Himawari-8 and Himawari-9 satellites, designed to study weather here on Earth, have also been quietly collecting ...

Without enough liquid water on the surface, a planet's atmosphere can become choked with carbon dioxide, raising temperatures ...

Venus outshines all objects in our sky except for the sun and moon. It will shine at magnitude -4.9 on Feb. 14 and will set at 9:30 p.m., plenty of time to enjoy this heavenly object.

The transit of Venus of June 5-6, 2012 will offer the rare sight of Venus as a small dot marching slowly across the sun's face. How to watch, and how to protect your eyes.