Why will our Sun expel its outer layers as it dies? Daniel StanyerAugusta, Kansas First, let's discriminate between expansion ...

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

The most powerful telescope ever launched into space uncovered a cluster of forming stars within the "toe beans" of the Cat's ...

The James Webb Space Telescope ( JWST) is celebrating three years of transformational science with a striking new image of ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

The smoking gun of the creation of lithium in explosions on white dwarf stars may have been found, in a spike of gamma rays ...

Such changes would make it difficult for life as we know it to survive on Earth. The increased heat and radiation would ...

Exiled into the dangerous forest by her wicked stepmother, a princess is rescued by seven dwarf miners who make her part of their household.

Ancient white dwarf stars in the Milky Way, as seen by NASA's Hubble Space Telescope in 2012. These stars are between 12 to 13 billion years old, making them among the oldest stars in the universe ...

The Owl Nebula is an example of a planetary nebula — a type of object that yields glimpses of stellar death in slow motion.

Hydrogen builds up on the hot surface of the white dwarf until it inevitably ignites after spontaneous nuclear fusion, causing an explosive outburst of glowing gas.

Advertisement White Dwarf Solar System The Day the Sun Goes Dark: What NASA Knows About Earth's Ultimate End Imagine a world without sunlight. No warm rays on your face, no vibrant colors, just an ...