NASA astronauts Butch Wilmore and Suni Williams aren’t the first to run late in space, and their 9 ½-month mission falls ...

A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies.

Using the now-retired Kepler space telescope, astronomers have discovered that larger planets grow up in more turbulent homes than smaller worlds.

Now back on Earth thanks to Space X's Dragon capsule, astronauts Suni Williams and Butch Wilmore will be breathing fresh air ...

The trailblazing Harvard scientist, who documented the dominance of hydrogen and helium in stars, is still inspiring ...

A map of the CMB published by ACT researchers. Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic ...

The European Space Agency has released its first tranche of data from the Euclid space telescope's mission to map the ...

Scientists already know that a planet must be in the “Goldilocks zone”—not too hot and not too cold—to have liquid water, a ...

The James Webb Space Telescope is a collaborative effort between NASA, the European Space Agency and the Canadian Space Agency. Unlike the Hubble Space Telescope, which orbits around the Earth, Webb ...

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

These are young giant planets, so the carbon dioxide is definitely not coming from burping cows or a civilization burning ...

Often seen as destructive, supermassive black holes could help sustain life under specific conditions, scientists have found.