Looking for a sky event this week? Check out our full Sky This Week column. November 1: Dip into the Bay of Rainbows Daylight ...

New experiments show young rocky planets can generate water naturally when molten surfaces react with hydrogen in their early atmospheres.

Full Supermoon . See the biggest and brightest moon of the year—the full supermoon—on the evening of Nov. 5. The moon will ...

Astronomers have discovered a rare planetary system that dances to a cosmic rhythm. Located 105 light-years away in the ...

In the beginning, when planets were newborn, they glowed like furnaces, vast oceans of molten rock wrapped in heavy blankets ...

Washington, DC— Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between ...

As more and more exoplanets are discovered throughout the galaxy, scientists find some that defy explanation—at least for ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new exoplanet ...

Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.

Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...

Mercury will trine Neptune retrograde on Oct. 29, which sets the stage for heart-to-heart exchanges and an overflow of ...

Our solar system and galaxy were the first objects of study for what was going on in the universe. Among the various ...