We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Scientists who study comets are struggling to keep up with popular speculation that the interstellar object 3I/ATLAS was sent ...

Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to get a closer look. As 3I/ATLAS warps and grows the closer it gets to ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

Comet 3I/ATLAS is one of only three interstellar objects ever detected in our solar system. Scientists are working to determine the comet's size and physical characteristics as it passes through our ...

Newly discovered comet C/2025 V1 (Borisov), which has some minor similarities to 3I/ATLAS, will make its closest approach to ...

Down here on Earth we don't usually notice, but the Sun is frequently ejecting huge masses of plasma into space. These are called coronal mass ejections (CMEs). They often occur together with sudden ...

Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

What if Earth sat at the center of the solar system? Imagine a universe rearranged with our planet as the gravitational hub.