Science ❯ Space Exploration

Observatories

Arecibo Observatory Purple Mountain Observatory European Southern Observatory Chandra X-Ray Observatory El Sauce Observatory W. M. Keck Observatory NASA Pan-STARSS Observatory Telescope Technology Vera C. Rubin Observatory Hubble Telescope Tracking Asteroids Hubble Space Telescope SOHO European Space Agency

Study Hints at 'Planet Y' in Outer Solar System After Kuiper Belt Warp Detected

Researchers report a modest signal in trans-Neptunian orbits consistent with a small inclined planet.