The most common type of planet found around Sun-like stars in our universe is the sub-Neptune—a planet that sits in size between Earth and Neptune, and typically has a pretty thick atmosphere.

In a paper released today in the journal Science, astronomers tackled that challenge by analyzing data from NASA's Kepler Space Telescope from over 50,000 Sun-like stars, discovering nearly 3,000 ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

Galaxies are huge collections of billions of stars like our Sun. Our Sun belongs to a spiral ... All the naturally occurring elements in the Universe are produced by nuclear fusion reactions ...

long-lived disks can tell researchers a lot about the universe, the authors noted, because low-mass stars are believed to vastly outnumber sun-like stars. "Developing a better understanding of how ...

Water may have formed less than 200 million years after the Big Bang, suggesting some conditions for life existed far earlier than previously thought.

Astronomers may have discovered how water originated in the universe, challenging existing theories on star formation.