The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Up to 50 'shooting stars' per hour will streak through the night sky when the Eta Aquariid meteor shower peaks just before ...

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 ...

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.

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

Vesta has a number of characteristics working in its favor when it comes to its visibility in the night sky. For one, it ...

Jupiter and Mars shine in the evening, more planets gather in the morning, and the Eta Aquariid meteors join in.

NASA has spent the first 100 days of the Trump-Vance Administration continually exploring, innovating, and inspiring.