The red supergiant star Betelgeuse is nearing the end of its life, and researchers are preparing for what it will look like when the star explodes in a supernova.
The European Southern Observatory has closed several of its facilities and canceled public events in Germany and Chile in response to the coronavirus outbreak.
Earthly slime mold models have helped astronomers map the cosmic web that connects galaxies throughout the universe.
Astronomers have imaged more than 300 newborn stars, revealing new clues about the early stages of star formation and the birth of planets.
NASA's Orion spacecraft has achieved a new milestone with a successful final test of the vehicle's attitude-control motor Tuesday (Feb. 25).
Meteorite samples from an ancient impact site in Germany may offer new clues about the history of oceans and life on Mars.
A volatile double star system appears to change its behavior rapidly and unpredictably like a cosmic story of Dr. Jekyll and Mr. Hyde.
The European Space Agency's Solar Orbiter has sent back its first measurements from space, confirming the successful deployment of the boom that carries many of its sun-gazing instruments.
The private space company Orbex recently allowed cameras into its rocket factory for the first time, offering a glimpse at where the commercial orbital rocket called Prime is being built.
Early cosmic impacts may have influenced the evolution of Mars, suggesting that the Red Planet formed much slower than previously thought.
Record-breaking NASA astronaut Christina Koch will return to Earth Thursday (Feb. 6) after spending 328 days in space, during which she completed numerous science experiments.
A stunning rainbow-colored cloud of gas surrounds a pair of stars that duked it out a few hundred years ago.
Streams of plasma from the sun create "chirping" and "whistling" noises heard by NASA's Parker Solar Probe.
The Taal volcano eruption in the Philippines this week sent ash plumes 9 miles (14 kilometers) into the air, new satellite imagery shows.
Several supermassive black holes have been found wandering through their dwarf host galaxies, offering new clues about how similar black holes evolved in the early universe.
Astronomers using NASA's Transiting Exoplanet Survey Satellite found that the star ancient Egyptians once used as their North Star is part of a binary pair of stars that eclipse one another.
A new approach to detecting oxygen in the atmospheres of other planets may aid in the search for life beyond Earth.
Rain passed over southeastern Australia on Sunday (Jan. 5), offering a brief moment of relief from the deadly wildfires that have been raging across the continent for months.
NASA's Mars 2020 rover has taken its first test drive, representing a significant milestone in preparing to launch to the Red Planet next summer.
Holiday spirit fills the International Space Station as astronauts prepare to celebrate Christmas in space.
NASA researchers received an extra special gift this holiday season: a box of Apollo moon soil to study in the new year.
Gas halos surround some of the earliest galaxies in the universe, providing a reservoir of cool gas that fuels the growth of supermassive black holes.
Astronomers have captured the first image of the most distant star-forming galaxy ever observed with a telescope.