Two planets outside the solar system have been identified orbiting a star located nearly 250 light-years away from Earth in ...

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet detected using the radial velocity method.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

The world of Sailor Moon does not just relate to our own solar system, but the many unknown planets from the original story ...

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A spacecraft traveling at one-tenth of the speed of light could shave the trip down to a quick 40 years. Future engineers could use nuclear power to achieve that, says Scott Bailey, an engineer at ...

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The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

For the first time, NASA’s James Webb Space Telescope has captured bright auroral activity on Neptune. Auroras occur when energetic particles, often originating from the Sun, become trapped in a ...

Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists. The chemistry ...

A British company says they developed a secret nuclear rocket that could cut in half the mission times to Mars. The Bletchley ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.