Astronomers have observed an object like ‘Oumuamua — but unlike the first known interstellar visitor, this one is in the solar system.
The release of the Astro2020 Decadal Survey is imminent, in which four concepts compete to become NASA’s next flagship mission. From exo-Earths to X-rays, what will the future hold?
Astronomers witness the unfurling of a black hole-powered mushroom cloud, a baby super-Jupiter, and a magnetic "tunnel" around the solar system.
The United Nations' Office of Outer Space Affairs is considering issues of light pollution spanning from streetlights to satellites.
What seemed a lucky break — the discovery of a gamma-ray burst in the most distant known galaxy — might instead be the flash of passing space debris. As satellites fill low-Earth orbit, such events might become common.
Astronomers use cosmic magnifying lenses to peer into the universe's distant past.
Some 10 million years ago, dying stars cleared a giant cavity in space and ultimately inspired a new generation of star formation.
This week in astronomy news, we learn that some white dwarfs still burn and image X-rays from black holes almost 12 billion light-years away.
This week in astronomy news: A citizen scientist happens upon a weird, ancient brown dwarf and astronomers discover that Sun-like stars eat their own planets.