When the Sun becomes a red giant, will the outer planets and moons become more temperate and conducive to Earth-like life? Terrence A. Murray Cincinnati, Ohio When the Sun runs out of hydrogen fuel ...

Our satellite hangs out with the heart of the Scorpion, known for its vivid red hue as the Rival of Mars in our sky.

NASA astronaut Nichole Ayers captured an electrifying image of a giant lightning "sprite" shooting up over Mexico and ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the expanding sun will turn the inner planets into cinders. It will almost ...

This red giant phase will signal destruction for inner solar system planets, including Earth. Other stars in the universe will experience the same fate as our sun, meaning any exoplanets orbiting ...

A red giant star and white dwarf orbit each other in an NASA animation of a nova. The white dwarf explodes after years of stripping the red giant's atmosphere.

A time-lapse video released Wednesday (Sept. 11) shows enormous gas bubbles roiling on a nearby star called R Doradus, a red giant about 300 times bigger than our sun that lies roughly 180 light ...

Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

The Sun's expansion into a red giant will engulf the inner planets, drastically increasing temperatures in the outer solar system. The habitable zone will expand to 10-50 AU, potentially making ...