Gallery: Before Going to the Moon, Astronauts Used to Practice on Iceland

The data drop includes photographs, audio, video, and astronauts’ notes that will be used to study the moon and prepare for future human missions.

Though scaled back from initial plans of landing, the voyage will serve as a dress rehearsal for when humans return to the moon’s surface.

JAXA is leading an international mission to reach Mars’ Phobos moon and bring soil back to Earth. If successful, it could unlock new clues about the history of the solar system.

Two orbiters have long outlasted their expected lifespans and completely reshaped our understanding of the Red Planet, all while operating 140 million miles from Earth.

Made up of small fragments left behind by Halley’s Comet, these meteors are known for being especially bright and speedy.

Lying beyond Pluto, 2026 ED138 could be as large as 1,500 kilometers in diameter. Astronomers are still working to confirm whether it meets the criteria for a dwarf planet.

Under 1 million years old, “Elias 2-24b” is now the youngest exoplanet ever observed, and it may force researchers to reevaluate theories about how planets are formed.

The cloud has baffled astronomers since its discovery in 2018. Now, a new study offers a possible cause for its appearance.

The new image isn’t just stunning—it may also provide clues about how this star survived its own explosion.

This week, the Pentagon released a full-resolution image of the vehicle, the capabilities of which remain rather mysterious.

The Federal Aviation Administration will likely have thoughts about the Tesla Roadster 2’s ability to leave the ground.

Ancient plants reveal that the vestiges of the North American ice sheet started expanding a few thousand years ago, but that climate change caused it to reverse course.