The Hubble Space Telescope has captured a spectacular new image of the largest and most unusual protoplanetary disk ever ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect ...

A “natural history” approach to space exploration would take into account instead developments in the fields of physics, ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...