Reference Explore the eight (or nine) planets of the solar system in order from nearest to the sun and discover the many wonders of our solar system along the way. An object seen to have moved in the ...

Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

However, some astronauts said they were far from lonely when cruising through the abyss of space. Michael Collins, who ...

Halley’s comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers every year ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

At 300 light-years away, the interstellar cloud is the closest of its kind ever found to Earth and the largest apparent single structure in the sky.

Did you know that Canadian feet were actually the first to touch down on the Moon during the Apollo 11 mission?

An astronaut who missed out on the first all-female spacewalk because of a spacesuit sizing issue got her chance six years ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new study hints.

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the ...