The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

For over 40 years, astronomers have been puzzled by strange X-ray signals from the Helix Nebula’s white dwarf. Now, they may ...

About 650 light-years from here, in the constellation Aquarius, lies the planetary nebula Caldwell 63, commonly known as the ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...

After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The old star might have destroyed a nearby planet.

Dating back to 1980, X-ray missions have picked up an unusual reading from the center of the Helix Nebula ... distance from the white dwarf but then migrated inwards by interacting with the gravity of ...

"We might have finally found the cause of a mystery that's lasted over 40 years," said researcher Sandino Estrada-Dorado.

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...

Dating back to 1980, X-ray missions have picked up an unusual reading from the center ... the white dwarf but then migrated inwards by interacting with the gravity of other planets in the system.

Be spherical in shape (Pluto is round due to its gravity ... Center in November 2024, and see the historic Pluto Discovery Telescope up close. No. Pluto is still classified as a dwarf planet.