Outer Space

After decades of wondering how ring galaxies form, we've caught them in enough stages of evolution that we finally know where they come from.

University of Rochester researchers think they have a solution to creating an asteroid city: a giant bag.

On Nov. 29, 2022, the Shenzhou 15 mission launched from China’s Gobi Desert carrying three taikonauts – the Chinese word for astronauts.

Scientists have pushed the Milky Way's early history back more than 2 billion years: to less than 800 million years after the Big Bang.

For a long time, only two habitable zone planets of any size were known to astronomers: Earth and Mars. But NASA's discovered another.

If the black holes that form in our cosmos give birth to baby Universes, perhaps we arose from the formation of a black hole ourselves.

3.4 billion years ago, an asteroid impact created a megatsunami on Mars that extended for 1500 kilometers. Here's the fascinating story.

In a remarkable achievement, three new large asteroids have been found in the most elusive place: inside the orbit of Earth.

The "upper limit" to the size of our planets is exceeded in other stellar systems, but double Jupiter's radius seems to be the limit.

A recent study tested how well the fungi species Cladosporium sphaerospermum blocked cosmic radiation aboard the International Space Station.