Of course, Barker and colleagues were indeed able to use their findings to estimate how quickly the orbits of hot-Jupiter planets around sun-like stars will decay. They then compared these results ...

The discovery of an extraordinary multi-planet system has demonstrated that so-called "hot Jupiter" planets may not be lonely ...

Jovian storms can rework the whole chemical makeup of Jupiter's deep atmosphere by picking up ammonia from and dropping it somewhere else. It would appear that a really big storm on Jupiter can ...

This is what we have on the giant planets." Processes like rain and storms are believed to be the main vertical mixers of planetary atmospheres. For decades, it had been assumed that Jupiter's ...

(AP) — Mars and Jupiter are cozying up in the night sky ... apart in their respective orbits. The two planets will reach their minimum separation — one-third of 1 degree or about one-third ...

Without question, the month of April belongs to Venus. This dazzling planet, which dominated the evening sky from last fall on through the winter, has now taken up residence in the morning sky.

Much larger than the rocky planets, these cosmic giants are accompanied by numerous moons. Jupiter, famous for its red spot, is the largest, followed by Saturn with its rings made of ice ...

Apart from Earth, the five closest planets to the sun are Mercury, Venus, Mars, Jupiter and Saturn. They don’t have discovery stories per se - they're visible to the naked eye, and so have ...