Astronomers have nabbed a rare opportunity to watch a planet shrink in real-time. The Jupiter-sized ... that the world has developed a comet-like tail stretching 350,000 miles behind it ...

Discover the fascinating feature of WASP-69 b, a hot Jupiter exoplanet with a comet-like tail of gas, shedding light on ...

At that time, the comet's tail will essentially be pointing right at Earth. However, in the days to follow, the tail will pivot eastward, making for dramatic changes in viewing from night to night.

A team of scientists has discovered that WASP-69 b, an exoplanet, possesses a comet-like tail of gas stretching up to 563,000 kilometers into space. The tail forms as the planet gradually loses ...

Often said to be an optical illusion, the so-called "anti-tail" points toward the Sun, appearing in the opposite direction ...

But a comet — a ball of ice and dust — usually has two distinct tails. One tail appears white and is made of dust. The other looks blue, since it's made of electrically charged particles ...