Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...
Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...
If you look up at the night's sky, you will be able to see Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn line up.
Planet ‘parades’ are not uncommon. While occasionally spotting 4-5 planets is not unusual, sighting the alignment of all 7 ...
The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.
Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...
Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...
Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...