What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

The Day the U.S. Government Abruptly Declared UFOs Boring On December 17, 1969, one of the most suspenseful, paranoid, and ...

Scientists atop Mauna Kea on the Island of Hawai’i and across the Hawaiian chain are turning their telescopes skyward Friday night as a fast-moving object known as Comet 3I/ATLAS that has come from ...

On Dec. 19, 3I/ATLAS will be about 1.8 astronomical units away (170 million miles), almost twice as far as the average ...

Aaero2: Black Razor Edition demands precision and rhythm, but rewards you with a fast, satisfying flow once it clicks. Aaero2 ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...