How big is the Sun compared to the Earth? Imagine you were able to shrink the Sun to the size of a basketball. At that point ...

A school-bus-sized asteroid will pass by Earth this Wednesday, November 13, 2024, coming closer than the moon.

Humanity's exploration of outer space continues to unveil astonishing discoveries that challenge our understanding of the ...

The final supermoon in a series of four will occur tonight—here are the best places in the U.S. to catch a glimpse.

SpaceX’s massive Starship rocket has the potential to transform the commercial space economy, ensure America’s position as ...

Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

The Arecibo message contained an image of a man only. But what might seem a sexist choice deserves a more subtle ...

In the expanse of space, where stars burn and galaxies collide, there exists a type of star so strange and powerful that it ...

Fireball activity is expected to peak Monday and Tuesday night as Earth passes through a stream of comet debris.

Researchers have made a groundbreaking discovery of a neutron star in the Milky Way that rotates at an astonishing 716 times ...

New research co-authored by Duncan Watson-Parris of UC San Diego’s Scripps Institution of Oceanography and the Halıcıoğlu ...

Although the night of the full moon is ideal for this adventure (usually, the 15th of the Hebrew month), a nearly full moon ...