Some 5 billion years from now, the Sun will expand and become a red giant. And Earth might be just in the way... If humans ...

The curious minds at What If explore how Earth would transform if it spun on its side, revealing dramatic shifts in climate, ...

Venus looks like Earth’s twin at first glance, yet its rotation behaves like a cosmic prank. The planet spins backward, ...

The dazzling lights of the aurora are created when high-energy particles from space collide with Earth's atmosphere. While ...

Last year, astronomers were fascinated by a runaway asteroid passing through our solar system from somewhere far beyond. It ...

Venus could experience a dramatic meteor shower this summer, the result of the breaking apart of a nearby asteroid that has ...

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

In 2010 an astronaut on the ISS observed a bizarre phenomenon. When he glanced out the window, he saw the Moon looked ...

Low Earth orbit has shifted from a quiet scientific outpost to one of the busiest pieces of real estate in human history.

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

Venus gets called Earth’s twin because of how similar the two planets are in size and structure, but that’s where […] ...

The interstellar comet 3I/ATLAS has turned into a natural physics lab, and the Hubble Space Telescope is sitting in the front ...