He said lifeforms could’ve lain dormant in the intergalactic iceberg, much like microbes hibernating in the permafrost for ...

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

This is the month of the "Great Celestial Summit Meeting" between a crescent moon, three bright planets and two bright stars.

Solar system formation got its most precise explanation yet: a new Max Planck study traces all six carbonaceous chondrite ...

Don't miss Jupiter, Venus and Mercury put on a spectacular show as they line up in the evening sky on May 27, creating a ...

JWST exoplanet direct imaging reached a new milestone when astronomers first characterized a cold super-Jupiter just 12 light ...

Scientists may have discovered how extraterrestrial civilizations could actually detect and find Earth.

A planet that is about the size of Saturn, but with a temperature more like Earth's, has an atmosphere rich in methane, ...

Our solar system appears beautifully organized, but its stability is actually the result of an incredibly delicate cosmic ...

Sky gazers will have a rare chance to see Venus and the moon appear close together Monday night, May 18, but the National Weather Service forecast for Michigan includes clouds, rain and thunderstorms ...

Venus and the moon will appear close together in the sky May 18. Here's how to see the celestial conjunction around the United States.

Planets circle their stars in steady patterns that barely change over millions of years. That predictability is what lets astronomers map distant worlds with confidence. When a system suddenly starts ...