NASA's New Horizons spacecraft made history by flying past Pluto, sending back groundbreaking data that would change our understanding of the dwarf planet forever. This video delves into the ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

The space probe began making discoveries even before today's flyby. — -- Three billion miles and nearly ten years of travel led up to the moment NASA's New Horizons probe zoomed past Pluto ...

We still don't know for sure if there's a ninth planet in our solar system, but a new discovery could help to prove that Planet Nine doesn't exist.

Today, the dwarf planet Pluto orbits the sun from the edge of our solar system and its surface temperature is an inhospitable negative 378 to negative 396 degrees Fahrenheit. But a new study ...

Denton explained, “Pluto and Charon are smaller, colder, and primarily made of rock and ice. When we accounted for their material strength, we discovered something completely unexpected.” ...

Ultimately, they identified 2017 OF 201 in 19 different exposures, captured over 7 years. The discovery has significant implications for our understanding of the outer solar system.

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...