By combining the four giant telescopes of the Very Large Telescope, an international team has observed the exoplanet WASP-121b with unprecedented precision, revealing one of the most extreme climates ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other ...

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

The giant-impact hypothesis posits that billions of years ago a Mars-sized body named Theia collided with the early Earth.

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Galaxies, planets, black holes: to most people, everything about our Universe sounds and feels enormous. But while it's true ...

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first time. By combining all four telescope units of the European Southern ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

High-pressure experiments generated the first direct observation of plastic ice, which has qualities of both crystalline ice and liquid water.

The gas giant WASP 121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...