Three scientists share the 2019 Nobel Prize in physics for revealing what makes up our cosmos and for finding the first planet orbiting a sunlike star.
A mismatch in measurements of how fast the universe is expanding might not be real, a study hints.
In Symphony in C, geophysicist Robert Hazen explores carbon’s ancient origins, its role in life and its importance in the modern world.
The discovery of magnetic fields in the gaseous filament between two galaxy clusters suggests that some large cosmic structures are magnetized.
The gravitational pull of subatomic particles born in the universe’s first second seem to influence how galaxies cluster into rings.
A burst of light from far away may have been an odd type of exploding star or a white dwarf being eaten by a black hole.
Astronomers have spotted a second repeating fast radio burst, and it looks a lot like the first.
Voyager 2 just became the second probe ever to enter interstellar space, and the first with a working plasma instrument.
The detection of black hole winds far from their host galaxy could reveal details of how galaxies and black holes grow up together.
Astronomers used distant blazars to tally up all the stray photons roaming through space.