Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan. Mercury, which is the closest planet to the sun, would be the first to be ...

The night sky has inspired humankind since time immemorial, and in 2025 one of the most unusual planetary alignments of all ...

Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

There will be a large planetary alignment on Aug. 10, 2025, featuring Mercury, Jupiter, Venus, Uranus, Neptune, and Saturn, ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

Seven planets will align in a rare "parade" on Friday, Feb. 28, 2025. Here's tips to get the best viewing possible.