A key method of forming planets finally has observational evidence, thanks to a network of radio telescopes in the U.K. that ...

Jupiter, Saturn, and Neptune each emit more energy than they receive from the Sun, meaning they have comparatively warm ...

John Casani, who has died aged 92, was an American spaceflight engineer who led the teams that pioneered Nasa’s explorations ...

Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get ...

In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely much larger than previously thought. It's a finding that could change which distant ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...

In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely ...

This is potentially enough to build planetary systems larger than our own solar system,” announced Dr. Katie Hesterly of the SKA Observatory, when she revealed the first direct observation of ...

A new study published in Geophysical Research Letterssheds light on the mysterious internal heat of Uranus, solving a ...

For millennia, astronomers thought Uranus was no more than a distant star. It wasn’t until the late 18th century that Uranus ...

A new analysis of exoplanets has shown interstellar contamination from nearby stars could change where to search for ...