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

The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a ...

NASA's James Webb Space Telescope has discovered water ice in a young star amongst the solar systems debris belt.

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

the chunk of silicon at the focal plane of one of the main instruments aboard the James Webb Space telescope makes the surface of Pluto look downright balmy. The depth of cold on Webb is all the ...

It was October 2001, and a leaky Lindley Hall roof and Lawrence light pollution had rendered the 1929 telescope — which had been refurbished by Pluto discoverer Clyde Tombaugh — nearly useless.

For that's the day my father, Clyde Tombaugh, a farmboy-turned-astronomer, discovered Pluto, becoming the first ... is the first so-called "rich-field telescope" built in America.

How big is space?Space is really big. Thinking about our solar system, let's imagine you could get in a car and drive to Pluto at ...

Before New Horizons, the best images of Pluto revealed nothing more than a few light and dark patches. The best Hubble Telescope images were only 150 pixels across. The new pictures show much more ...

Water ice shapes the outer regions of our Solar System in profound ways, forming the thick crusts of moons like Europa and ...