In 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected gravitational waves for the first time, confirming a major prediction of Einstein's theory of general relativity.
Astronomers have discovered thousands of planets orbiting other stars in our galaxy, some of which may be capable of supporting life.
Scientists have discovered that the universe is expanding at an accelerating rate, driven by a mysterious force called dark energy.
Astronomers have discovered countless black holes, including a supermassive black hole at the center of our galaxy.
This is the residual heat left over from the Big Bang, and studying it has given scientists a detailed picture of the early universe.
Scientists have detected the presence of a mysterious substance called dark matter, which makes up about 27% of the universe's mass.
These are high-energy particles that originate from beyond our solar system, and studying them has provided insights into the structure and composition of the universe.
These are high-energy particles that originate from beyond our solar system, and studying them has provided insights into the structure and composition of the universe.