Mercury, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path.

Venus is one of the most hostile places in the solar system—hot enough to melt metal and covered in crushing pressure. But high above its surface, something strange may be happening. Scientists have ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

A seemingly small planetary neighbor may play a larger role in Earth’s climate than previously thought. Mars is only about ...

If I were on Mars, how often would I see Earth transit the Sun? Steven RiserConyers, Georgia From Mars, Earth transits the Sun four times in a 284-year cycle. The transits occur in either May or ...

Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters ...

NASA’s planetary science program is still facing a funding shortfall that requires “strategic choices” about which missions to continue.

Venus’ surface has long been hidden beneath thick clouds and sparse data, but new research is beginning to illuminate what ...

“As a professional science communicator who works a lot with space at this age group, I am disappointed," said Dr. Mark Gallaway.

Venus and Saturn will appear within about one degree of each other this weekend, making this one of the closest naked-eye ...

A mysterious metal-rich asteroid called Psyche has been baffling scientists for over two centuries, and its true origin ...