A neutron star is born from a supernova explosion. They contain a couple of times the mass of our sun, squeezed into a sphere the size of a city on Earth.
A new study from NASA's Jet Propulsion Laboratory and Oxford University shows how ocean currents can affect how fast or slow Europa's icy crust rotates.
A March 22 study suggests that 'Oumuamua, which passed us in 2017, was a comet from another solar system. Harvard astronomer Avi Loeb strongly disagrees.
Astronomers have now said asteroid 2023DW will most likely not hit Earth on Valentine's Day 2046. In fact, there's a 99.972% chance that 2023DW will miss us.
On March 17, 2023, near-Earth asteroid 2023 EY will sweep closely past Earth, coming within about 62% of the moon's distance. You can watch it live here!