The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

This image provided by NASA shows an artist’s illustration of the Tess telescope. Astronomers have discovered six planets orbiting a bright nearby star in perfect rhythmic harmony. They say it's a ...

A mysterious object from beyond our solar system, 3I/ATLAS, has recently captured the attention of astronomers once again.

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as Planet X, prominent astronomers ...

Excitement is mounting for one of nature’s most unique spectacles, the total solar eclipse, set to cast a historic shadow across a path through the United States on April 8, 2024. The track of the ...

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system’s distant ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...