Outer Space
A far-out plan to build an asteroid city
University of Rochester researchers think they have a solution to creating an asteroid city: a giant bag.
China’s new space station is open for business
On Nov. 29, 2022, the Shenzhou 15 mission launched from China’s Gobi Desert carrying three taikonauts – the Chinese word for astronauts.
“Galactic archeology” makes spectacular find: the Milky Way is over 13 billion years old
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.
An Earth-sized planet found in the habitable zone of a nearby star
For a long time, only two habitable zone planets of any size were known to astronomers: Earth and Mars. But NASA's discovered another.
Are we living in a baby universe that looks like a black hole to outside observers?
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.
Ancient killer asteroid created a megatsunami on Mars
3.4 billion years ago, an asteroid impact created a megatsunami on Mars that extended for 1500 kilometers. Here's the fascinating story.
What the new Earth-threatening asteroid means for humanity
In a remarkable achievement, three new large asteroids have been found in the most elusive place: inside the orbit of Earth.
What is the largest planet out of all the ones we know?
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.
Chernobyl fungus could shield astronauts from cosmic radiation
A recent study tested how well the fungi species Cladosporium sphaerospermum blocked cosmic radiation aboard the International Space Station.
The technology we (or aliens) need for long-distance interstellar travel
Interstellar distances are vast, and extremely advanced technology will be required if we (or aliens) want to visit other star systems.