Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

NASA has confirmed the detection of a colossal interstellar comet measuring up to 20 kilometers across as it speeds through ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

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'Do all aliens really need sunlight?' ...

In March 2026, SETI Institute researchers contributed to a wide range of conversations about our solar system and the search ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new "hot ...

While there’s no single accepted definition of life, scientists agree on some of the key clues. Gases like oxygen, carbon dioxide and methane in a planet’s atmosphere can serve as possible indicators ...

The Artemis II crew is now just 13,000 miles away from the moon, and about half an hour from surpassing the record for the ...

TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

When I was a teenager in the early 1980s, I realized the potential of using video games in education. The same high school ...