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

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

If I were on Mars, how often would I see Earth transit the Sun? Steven RiserConyers, Georgia From Mars, Earth transits the ...

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

Sure, we want to study how different systems form and why many look different from our own, but we would also like to find ...

Scientists have identified 45 Earth-like exoplanets that are the strongest known candidates for hosting extraterrestrial life.

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

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

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

As the sun enters Aries on March 20, it marks a powerful turning point as we welcome the spring equinox, where the light ...

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

The inner solar system is home to four rocky worlds that formed under the intense heat of the young Sun. This video explores ...