Interstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

The average distance between the Earth and Sun measured using trigonometry is 93 million miles, not 3,000 miles as claimed in a viral post online. The author of the post claims that measuring with a ...

Earth is closer to the sun at some times of year than at others, with the time of closest approach shifting over a period of 22,000 years. This affects Earth's climate, including ice ages, but a team ...

In a world of wild talk and fake news, help us stand up for the facts.

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

Weather and climate modelers understand pretty well how seasonal winds and ocean currents affect El Niño patterns in the eastern equatorial Pacific Ocean, impacting weather across the United States ...