Mysterious Milky Way filaments - found by the MeerKAT telescope in South Africa - appear to point to the supermassive black hole at our galaxy's heart.
How big can stars get? How does our sun compare to them? And how did the biggest monster star get so big? Meet some of the biggest and most massive stars known.
Comet C/2021 T4 Lemmon was discovered at Mount Lemmon Observatory in 2021. It's currently in the southern skies and might become bright enough for binoculars.
Astronomers say they've discovered a super-Earth and mini-Neptune exoplanet system where the orbits of the 2 worlds are synchronized in a cosmic dance.
Spot Mars and the Beehive cluster together on June 1 and 2, 2023. Use binoculars to see the starry cluster making a sparkling background for the red planet.