Astronomers have unlocked a new way to explore alien worlds by mapping the 3D structure of an exoplanet’s atmosphere for the ...

The asteroid, discovered just after Christmas and named 2024 YR4, could strike the planet in December of 2032, according to ...

An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released ...

The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger remains low, but experts are estimating the damage that could be done.

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

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

An asteroid that could level a city now has a 3.1 percent chance of striking Earth in 2032, according to NASA data released ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

At the very beginning of its history, Earth was dry. How did it become a blue planet? A new theory could provide an answer.

Make time soon to head outside after the sun sets and study the sky. Five of the brightest planets — Venus, Jupiter, Mars, ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.