YR4 has a 1-in-43 chance of striking Earth in 2032. However, new calculations suggest a 0.3 per cent probability that it ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward around the ecliptic once in 18.61 years (6,798 days). This drift carries ...

The degree of elongation, known as eccentricity, is measured on a scale of 0 (for a perfect circle) to 1 (a hyperbola). Earth's orbital eccentricity is 0.017; Mars' is 0.055, and Mercury's is 0.206.

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The axis of rotation of the Earth is slightly tilted at 23.5 degrees. This means that as Earth makes its annual trip around the sun, the Northern Hemisphere is tilted toward the sun during one half of ...

Tired of driving home from a hard day's work in darkness? You're in luck because daylight saving time is slated to start in ...

The good news is that the days are getting noticeably longer. Today, February 10, 2025, sunset will be at 6:00 p.m. — the ...

In the worst-case scenario, the researchers found that Earth's average surface temperature would decrease by about 7 degrees Fahrenheit ... After examining just 0.06% of a 120-gram material ...

Everyone knows that Earth is capable of providing beautiful, snowy landscapes, but it isn't unique in that. It snows on Mars, ...

Here's what to know about the short life of what was, for a single human lifetime, the solar system's smallest planet. Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the ...

In partnership with NASA, the Intuitive Machines lander Athena will send a water-seeking drill, a pogo-sticking crater probe ...