One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

What is currently known about Pluto could probably fit on a few index cards, Stern has said. New Horizons’ data will enable entire textbooks to be written about the mysterious celestial body.

On May 26, channel the fresh, youthful energy of Gemini during the new moon—and you'll likely turn over a new leaf.

The Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has successfully completed its initial commissioning following the October 14, 2024, launch. Scheduled to arrive in the ...

From gravel-size meteoroids to mountain-size asteroids and even visitors from other star systems, space is packed with ...

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There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

Legendary actor William Shatner wants President Trump to restore Pluto to greatness as scientists claim to have found a “new” ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...