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Europe's Ariane 6 heavy-lift rocket launched for the third time ever tonight (Aug. 12), sending an advanced weather and climate satellite to orbit.

A conceptual mission known as "Persephone" could explore Pluto and its moons for 50 years  — if it ever gets funded and approved.

United Launch Alliance lofted an experimental navigation satellite on the first national security mission of its new Vulcan Centaur rocket on Tuesday night (Aug. 12).

Test out your knowledge of these famous firsts in skywatching and astrophotography, from the first photos of Earth and the moon to the invention of telescopes!

The Tarantula nebula was recently captured by the Hubble Space Telescope, where the Scylla program helped create the colored image of this star-forming area.

Nicknamed 'Punctum,' this puzzling phenomenon is highly energetic, but is only seen in millimeter-wavelength light and cannot be explained by any known object.

'Alien: Earth' is the first-ever Alien TV show and it's finally arrived. Here's how to watch 'Alien: Earth' wherever you are on the planet.

Scotland-based Skyrora has received the first U.K.-issued vertical launch license for a homegrown company, enabling rocket launches from SaxaVord Spaceport in the Shetland Islands.

Our quiz will test your smarts of which planets go where in our solar system.

"This particular meteor that entered the atmosphere has a long history before it made it to the ground of McDonough".

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to understanding how early galaxies grow.

Before the Xenomorph crash-lands on streaming, we talked to five Alien: Earth cast members about the difficulties and fun of navigating the giant sci-fi show.

Scientists are making milestones on NASA's Roman Space Telescope as Trump continues to threaten the agency's science budget.

ESA's Mars Express spacecraft has been imaging the dynamic Acheron Fossae region of Mars for more than 20 years.

A distant galaxy nicknamed "Cosmic Grapes" is bursting with massive star-forming clumps — far more than expected — offering fresh clues about how galaxies grew in the early universe.

The Perseid meteor shower takes place each year as Earth travels through the debris shed by comet 109P/Swift-Tuttle.

This long-exposure image from the International Space Station shows the growing tension between celestial beauty and human expansion into space.

As space becomes more important to the economy of nations around the world, the risk of paper mills flooding the literature with fraudulent results is increasing.

This chunky star projector is a good choice for kids thanks to its low price and easy-to-use functions.

Both science fiction and real life have some interesting spacecraft names, sometimes borrowing from each other. This quiz will test to see if you know the difference.