The rotation of the Milky Way bar has slowed by almost a quarter since its formation.
Young stars can release flares more powerful than our sun's largest on record once a week, according to a massive new analysis of stellar activity.
The drought-stricken coffee-growing region in the Brazilian state of Minas Gerais captured in an false-color image taken by the European Sentinel-2 satellite.
Yes, the moon rotates on its axis. The moon's rate of rotation nearly matches its orbital period, which keep the same side facing Earth.
For a brief moment in time in July 2018, the solar system aligned to show Earth the fully sunlit disk of Pluto, an arrangement that won't occur again for 161 years.
Rocket Lab has been awarded a contract to design the twin spacecraft for NASA's potential ESCAPADE Mars mission.
NASA has approved the Near-Earth Object Surveyor space telescope to move into "preliminary design," its next phase of development on the road to a planned liftoff in 2026.
It's always a good sign when astronomers are blunt about the degree to which some observations have puzzled them.
It will take until at least 2080 before women make up just one-third of Australia's professional astronomers.
Tendrils of galaxies up to hundreds of millions of light-years long may be the largest spinning objects in the universe, a new study finds.
New seismic models show that Earth's inner core may be growing faster in the east than in the west, creating a 'lopsided' pattern at the center of our planet.