#astronomy
# space
Astronomers looking into the orbits of Kuiper Belt objects may have found a flaw in data we thought pointed to the existence of a large planet beyond Neptune's orbit.
# space
When some stars die, they take their entire systems with them. Others appear to give their planets a fighting chance.
# space
A new study sees evidence of more than a dozen galaxies that seem to lack dark matter and raises big questions about our ideas of galaxy formation.
# space
Why do popular science news keep offering new theories about the basic shape of our universe every week?
# space
According to sensationalistic headlines, the hypothetical ninth planet in our solar system is a tennis ball sized black hole. According to physics, it's far more likely to be literally anything else.
# space
The massive structure designed to capture the energy of an entire star envisioned by Freeman Dyson is popular in science fiction. But can we build it? And have alien civilizations tried a similar idea?
# space
We know that black holes are bizarre. We know they exist. We even have a picture of one. But what exactly are they?
# space
By now, you're probably used to hearing about potentially habitable worlds orbiting other stars. But that "potentially habitable" part may come with more caveats than you might think.
# space
The Event Horizon Telescope's image of M87* is so good that theorists thought it was too good to be true.
# astrobiology
A star named V883 Ori is going through a growth spurt, and as it does, it's showing us just how abundant the building blocks of life might be throughout the universe.
# space
A recent paper imagines a new explanation for the strange motions of Trans-Neptunian Objects observed by astronomers for the last 200 years, but it doesn't mean that we won't still search for Planet Nine.
# space
Saturn's rings are young and might be gone almost as quickly as they appeared in planetary terms, according to the latest research by NASA.
# space
Black holes aren't just the densest, most massive objects in space. They might also be some of the fastest.
# space
It turns out that one of the oldest objects in the known universe is only a few thousand light years from Earth.
# space
A new paper about the bizarre interstellar visitor to our solar system says it may well be a lost alien spacecraft. But there's a big snag with that idea...
