Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to ...

By studying the chemical composition of an odd, dying star, astronomers discovered that it had been feasting on what used to ...

"It shows that Makemake is not an inactive remnant of the outer solar system, but a dynamic body where methane ice is still ...

Astronomers have observed a white dwarf, a highly compact stellar ember, that appears to have gobbled up an icy world akin to ...

When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined that it came from outside the solar system. But although it was initially classified as a comet from another star system, it ...

Using Pluto as an example, this celestial body, once considered the ninth planet, was redefined as a dwarf planet in 2006.

Astronomers using the Hubble Space Telescope have uncovered the remains of a frozen, Pluto-like world being devoured by a ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Later, it was reclassified as a dwarf planet, yet its mysterious charm has not diminished at all. Why is that? Because Pluto's complex and elusive terrain is like a mysterious key that may hold the ...

NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...