Solar terrestrial planets refer to the first four planets in the solar system, i.e, Mercury, Venus, Earth and Mars. Out of these, Mercury is the smallest whereas Venus is the hottest. Earth, however, ...

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system. It is the only planet in the ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

The potentially hazardous asteroid 2024 YR4 caused consternation over the last few weeks as its odds of hitting Earth in 2032 dramatically rose. Now, those odds have plummeted to near-zero, as ...

Astronomers are keeping a close watch on asteroid 2024 YR4. This asteroid has a small probability of impacting the Earth in ...

YR4, detected by the ATLAS system in January 2025, has a slim chance of impacting Earth in December 2032. Continued ...

You have the inner terrestrial planets, Mercury ... icy small bodies in the Kuiper Belt — and Pluto's the big one, the king of those. — 'What exactly is a planet?' Astronomers want to amend ...

This isn’t any conspiracy theory or pseudoscience: Using samples collected from NASA’s Mars 2020 Perseverance rover, Hausrath ...

New data shrank the odds that this asteroid will hit Earth, but astronomers will continue to study it. Here’s what you need ...

The Asteroid Terrestrial-impact Last Alert System, or ATLAS, telescope in Rio Hurtado, Chile, first discovered 2024 YR4 on ...