The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

This breathtaking landscape shows vast rows of solar panels covering entire hillsides, transforming a quiet rural region into ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

Waves are one of the most familiar features of Earth’s oceans, shaped by wind, gravity, and the properties of water itself.

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

Astronomers have discovered a remarkable planetary system where three very different objects orbit a distant star—and their ...

Donald Trump announced his administration would begin identifying and releasing UFO-related information earlier this year.

Planets orbiting such stars may have a better chance of retaining their atmospheres and developing conditions suitable for ...

The subject of UFOs and aliens is vast and complex, making it impossible to summarize in one article. Flying saucers/UFOs made headline news throughout the world in 1947, sparked by two major, highly ...