Researchers said the bunching of small objects beyond Neptune fits perfectly with the existence of a Planet 9 hiding on the outskirts of our solar system.
Mars craters pop in these new images showcasing the diversity of impacts across the red planet. ESA's ExoMars mission took these images. See them here!
What is the difference between signs of the zodiac and constellations of the zodiac? Astronomer Guy Ottewell illustrates and discusses this difference.
Sun news for May 19, 2024. A giant filament erupted from an otherwise calm sun today. CMEs from a few days ago may be causing minor geomagnetic storming and auroras tonight. Clear skies.
Spica is a scorching-hot pair of stars, whirling very closely around one another. One of them may go supernova someday. It's the brightest star in Virgo.
Visible planets and night sky guide for May 2024. Tonight and tomorrow night (May 19 and 20), the waxing gibbous moon will visit the bright star Spica.
Crepuscular rays form around twilight when particles in the atmosphere reflect the sun's light beams toward our eyes. See photos of the phenomenon here.