NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

One lucky East Lancashire stargazer caught a glimpse of the rare celestial phenomenon - the planetary alignment.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

But how well do you really know our planetary neighbor? This quiz of 15 questions will test your knowledge of Mars' size, surface and history, as well as scientists' attempts to study it. Remember to ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

NASA’s Juno mission to Jupiter’s moon Io has provided incredible data. A recent flyby revealed the most powerful volcanic event ever recorded on Io, the most volcanic world in our solar system.

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

Discover the fascinating findings from asteroid Bennu: pristine salt minerals reveal the presence of liquid water in the ...

NASA's four PUNCH spacecraft have arrived at Vandenberg Space Force Base and are preparing for a February launch.

"There is little question that, with its daylight display and spectacular evening apparition in a moonless sky, Comet 2024 G3 ...

Mars, Venus, Jupiter, Saturn, Uranus and Neptune will appear together in a row throughout the start of February – although Neptune and Uranus will only be visible with binoculars or a telescope.