Astronomy
Ring galaxies, the rarest in the Universe, finally explained
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.
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.
The 12 most exciting space missions of 2023
2023 will see the launch of new rockets, the return of OSIRIS-REx, and a mission to Jupiter that could help us find extraterrestrial life.
Twin exoplanets may be the first known “water worlds”
Twin exoplanets 218 light years from Earth may be the first known examples of “water worlds.”
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.
Scientists discover two brand new minerals in massive meteorite
A massive, 4.5-billion-year-old meteorite located in Somalia contains two new minerals never seen before in nature.
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.
Astronomers detect “mystery molecule” in exoplanet’s atmosphere
Thanks to the James Webb Space Telescope, we now know more about the atmosphere of WASP-39b, a distant gas giant, than any other exoplanet.