Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

Cincinnati, Ohio When the Sun runs out of hydrogen fuel and expands into a red giant, it will eventually encompass the innermost planets of the solar system, out to about Earth’s orbit.

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

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

How far away it is: 93 million miles (150 million km) ...

Learn how a new discovery of a giant planet can help scientists refine their theories of how planets form.

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

Astronomers spotted exoplanet AT2021ueyL b, a gas giant 3,262 light-years away, using microlensing. It orbits in the galactic ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...