About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 ...

In the early chaos of planetary formation, before crusts cooled or atmospheres settled, water might already have been ...

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

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

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

A chemical "anomaly" revealed through an analysis of meteorites may have led to finding the first existing evidence of "proto ...

“If you build a map at a wavelength that water absorbs, you’ll see the water deck in the atmosphere, whereas a wavelength ...

JWST found a carbon-atmosphere planet orbiting a pulsar, challenging current models of how planets form. Scientific progress ...

TOI-2267 is made up of two small and cool stars. The team confirmed the presence of two exoplanets, and there is strong ...

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

This is the message of the sixth issue of the annual "State of the Climate" report. The report was prepared by an ...