For decades, scientists have struggled to pin down Jupiter’s composition because the planet’s thick clouds block direct observation of its lower atmosphere. Earlier estimates relied heavily on a ...

For many years, scientists viewed Mercury as a world that no longer had an active geological history. The planet appears to be almost completely uniform, dry, barren, and mostly unchanged for the past ...

This video explores how scientists determine the ages of planets and which worlds formed first, based on planetary formation, geology, and evidence from space missions.

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.

In a new weekly update for pv magazine, Solcast, a DNV company, reports that in January most of East Asia experienced normal to above-average solar irradiance, with southeastern China seeing surges ...

New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

NASA's IR space scope explores the Milky Way’s most prolific star-forming region, cracking open new secrets of how stars form ...

"We used to think that only very simple molecules could be created in these clouds. But we have shown that this is clearly ...