The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

How did life begin on Earth? While scientists have theories, they don’t yet fully understand the precise chemical steps that ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, ...

BepiColombo will arrive in 2026 to uncover the planet Mercury, and unravel how a planet as small, dense, and in such an odd ...

The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s essential elements through the galaxy may be incomplete. Starlight pushing on gra ...

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The Hubble Space Telescope has detected the most expansive protoplanetary disk documented to date, extending across 400 ...

With findings on Earth’s polar extremes and its innermost core, scientists shaped how we look at the planet in 2025 in surprising and fascinating ways.