Here's how we might stop the flow of time.
New observations help astronomers hone in on a long-standing mystery about where cosmic rays come from.
A hunt for hypothetical axions streaming from Betelgeuse turns up empty but helps physicists set constraints on their properties.
A team has offered a way for gravitational wave events called dark sirens to resolve a crisis in cosmology
Looking at the scientific information gleaned from lifeless worlds could help in the search for life, one astrobiologist says.
What we know about the history and properties of "Einstein's biggest mistake," the cosmological constant
A speculative hypothesis tries to uncover the world’s oldest story written across the night sky in the Pleiades constellation.
Information about the asteroid Ryugu, which was explored by the Hayabusa2 spacecraft from 2018 to 2019.
An overview of the Voskhod spacecraft, which was used during the second Soviet human spaceflight program