Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were bright enough to be seen without a telescope. Next week, Mercury, Venus, ...

In a new study, researchers present a detailed portrait of TOI-2076, a roughly 200-million-year-old planetary system that appears to be finishing its turbulent adolescence.

The moon crossed the sun's path on February 17, causing what is known as an annular solar eclipse. The sun was not covered completely, but the moon blocked enough of its light to leave a fiery ring.

An artist's impression of the planetary system surrounding LHS 1903, a small red dwarf star cooler and dimmer than our Sun. (European Space Agency) (CN) — For decades, astronomers thought they had ...

Planets are always lined up along the same celestial path, so this “parade” is all about timing Six planets will appear along the same stretch of sky just after this weekend, with the best views ...

Federal agencies are delaying approvals for renewable energy projects on both federal land and private property at a time when electricity demand is going up. By Brad Plumer and Rebecca F. Elliott A ...

Every once in a while, the outer solar system reminds us that we've only discovered a negligible portion of it, and that the vast majority is still full of surprises. The latest example of this is a ...

The first few exoplanets were discovered in the early 1990s. But it wasn’t until the early 2000s, when astronomers began carrying out large-scale, long-term surveys of other stars, that we started to ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but tiny black holes in disguise? When you purchase through links on our site, ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since April 2024 Look up throughout the year to catch a wide array of astronomical ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...