Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...

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

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Hidden ice? NASA’s Lunar Trailblazer will reveal where the Moon’s water really is 'Earth will flip': A 42,000-year-old tree ...

On February 16, 1948, the Dutch-American astronomer Gerard Kuiper discovered Miranda, a moon of Uranus. This was the fifth moon to be discovered at Uranus, but astronomers have found 27 by now. When ...

ASTRONOMERS may have just found the fastest exoplanet system in the galaxy – a super-Neptune world orbiting a hypervelocity ...

A team of international researchers have confirmed the discovery of a super-Earth, which is orbiting in the habitable zone of ...

If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a ...

Blue Origin just launched a first-of-its kind mission to suborbital space. Today's launch kicked off Blue Origin's uncrewed NS-29 mission, so named because it was the 29th New Shepard flight to ...

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

Uranus spins in the opposite direction to Earth ... However, due to its size, Mercury also is the fastest planet in our solar system, orbiting the sun every 88 Earth days. Mercury formed about ...