Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

THESE PLANETS ARE WEIRD! Humanity has long looked up into the night sky and wondered what all those twinkling lights above us really were. With the discovery of the telescope we began to identify ...

This artist’s visualisation of WASP-127b, a giant gas planet located about 520 light-years from Earth, shows its newly discovered supersonic jet winds that move around the planet’s equator. With a ...

Astronomy on Tap St. Louis is back on June 14 for a night of cosmic fun! Join us for a public science event featuring exciting space talks, interactive trivia, and prizes – no science background ...

What is a planet? -- How did the planets form? -- How do planets move? -- What planet orbits the sun the fastest? -- Why is Venus the solar system's hottest planet? -- How fast is Earth moving? -- Why ...

Astronomers have identified a wildly distorted world that looks less like a sphere and more like a squeezed citrus fruit, and it is rewriting what I thought I knew about how planets form and survive.