An international team of astronomers reports the detection of two new brown dwarfs orbiting distant stars using NASA's ...

But instead, Juno's measurements showed that heavy elements are diffuse throughout Jupiter's center, in an area up to half of the planet's radius. "This is puzzling," Andrea Isella, a Rice ...

Israeli astronomers report the detection of a new Jupiter-like exoplanet using the ... it is a high proper motion star of spectral type M0V, with a radius of about 0.73 solar radii and a mass ...

Although 51 Pegasi b has only about half Jupiter’s mass, this extreme temperature causes the gas to inflate, giving the planet a radius twice as big as Jupiter’s. Astronomers dubbed this ...

or Jupiter, or a ping-pong ball. How can that possibly be? Well, right at the beginning I said that the radius and circumference of a circle were always in proportion and that if you change one ...