The Parker Solar Probe is expected to pass within an "unprecedented" 3.86 million miles of the solar surface on Dec. 24, according to NASA. "It's about to be on its closest approach to the sun," Rayl ...

At points of the year, it looks like Mercury is moving backward in its orbit around the sun. That’s what’s referred ... It’s caused by all the planets moving at different speeds from one another. "So, ...

The moderate tilts and slightly elongated paths of these planets — long considered a mystery — could be the result of a ...

If you recently thought that it’s been getting dark particularly early, you’d be absolutely correct: Sunset is at 4:51 p.m.

The orbits of the planets around the sun have been the source for many a scientific debate. Their current orbital properties ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

As space travel gains more and more momentum, and travel to Mars seems like a real possibility, you might find yourself ...

If you want to go beyond the moon to another planet ... Voyager 2's speed averaged around 42,000 mph. The Parker Solar Probe, ...

Asteroids are not just random space rocks; they are remnants from the early solar system, offering valuable insights into the ...

As winter approaches, we look at how seasons change, when the Earth will be closest to the sun, and other space events to ...