Scientists have discovered four new Earth-like rocky planets orbiting Barnard's Star, just six light-years away. Using ...

Planetary alignments have always been a fascinating subject, both for scientists and astrology enthusiasts alike. The idea ...

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Ellipses are defined as curves that surround two focal points. At any point on the ellipse, the sum of the distance to both ...

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...

A crescent moon combines with Venus and Saturn for a "smiley face" in the sky on April 25. There are a few things to choose from this month if you enjoy heading out and looking up at the night sky.

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

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

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

Have you ever wondered how far Jupiter is from Mars or Venus from Earth? Our handy calculator makes it easy to find out! All distances are average and ...

Lyrid meteor shower, which peaks the night of April 22, is one of the main April highlights for sky-watchers. This meteor ...