Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

Early observations of the planets revealed worlds far different from Earth, demonstrating that the universe was far more ...

A young star 1,300 light-years away has given astronomers something they have dreamed about for decades: a freeze-frame of ...

Astronomers have discovered a possible new dwarf planet orbiting far beyond Pluto. First detected in March 2023 by Japan's Subaru Telescope in Hawaii, this object has been dubbed 2023 KQ14 and ...

Stars are the fundamental building blocks of our universe. Most stars host planets, like our sun hosts our solar system, and ...

A groundbreaking study published in Communications Earth & Environment has called into question the long-standing assumptions about how our solar system came to be. Tiny shavings from a meteorite ...

Astronomers have witnessed the birth of an entirely new star system for the first time. The budding planets are forming ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

The James Webb Space Telescope has captured an exoplanet no one had seen before. This marks a turning point in space ...

Until now. In March, a spacecraft captured the first-ever clear images of the sun's south pole, which the European Space Agency released Wednesday, June 11. “We reveal humankind’s first-ever ...

If this doesn't seem like a big deal, consider that every image you have ever seen of the sun was taken from around our star's equator. That is because Earth, the other solar system planets, and ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. Listen to this article · 5:18 min Learn more.