You won't see a majestic line of planets on Jan. 25 the way people on social media are promising, but you will see four bright planets if you look up.

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of ...

NASA's Juno spacecraft has again captured stunning images of Jupiter and its moon Io, providing more insights into the solar ...

The Red Planet comes closest to Earth, disappears behind the Moon in an occultation, and finally reaches opposition in the ...

Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

In our solar system, Earth is one of only three worlds that sees temperatures above 32 degrees Fahrenheit, while other ...

Jupiter is huge when it comes to planets in our solar system, but it turns out there's actually an upper limit when it comes ...

The asteroid, named 2025 AB, is expected to pass us at a distance of 95,200 miles, about twice as close as the orbit of the ...

The new year opens with a better than average meteor shower and a great display of planets, including a six-planet alignment.

Formerly the Large Synoptic Survey Telescope, the observatory was renamed in 2020 to honor Vera Rubin, who died at 88 in 2016 ...

Astronomers hope to find clues to the origins of the Solar System in the unexpected nature of the object’s icy composition.

Mars’ strangely small mass still puzzles planetary scientists. Definitive answers as to why are still hard to come by.