The idea is that the gravitational pull of planets can attract dark matter particles. The physics behind it are complex, but scientists are working on it, including trying to estimate its density ...

The swelling catalog of extrasolar planets, along with observations of distant, dusty planet nurseries and even new data from our own solar system, no longer matches classic theories about how planets ...

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is another possible candidate—planets circling white dwarfs, the hot, dense remnants ...

Something similar happened around countless other suns, the vast majority of which are thought to have planets. Astronomers are trying to figure out how exactly the planetary formation process happens ...

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds. For decades, scientists have debated the origin of Earth's water. One ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s rendition of a black hole surrounded by a glowing accretion disc of material, the light from which is warped by the ...

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