From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens ...
Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is only the third to be found on the outskirts of our galaxy's dense central ...
The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, along with dwarf planets like ...
Astronomers have long faced a strange contradiction: most stars are born in pairs, and ...