Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

Nearly one third of known exoplanets are enormous gas giants, similar to Jupiter or Saturn. But whereas our solar system ...

As we discussed last month, late January and early February will provide a stage for a Planet Parade, with six planets lining up in the night sky. On February 1, we should see the crescent moon in ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

Scientists found an intriguing world in our galaxy.

Nasa's Juno spacecraft, orbiting Jupiter and its moons, has detected the most powerful volcanic activity in the Solar System.

Exoplanet WASP-127b is a hot Jupiter, a gas giant planet orbiting very close to its star. The system is more than 500 ...

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never seen before.

In Earth’s upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 442kph, but they ...

Astronomers discover supersonic winds reaching 20,500 mph on exoplanet WASP-127b, far surpassing Earth's jet stream and setting a new planetary wind speed record.