Webb spots a bizarre exoplanet with a carbon-rich atmosphere orbiting a pulsar, defying theories of how planets form.

Sometimes the planets align and a beautiful house and its perfect owner find one another. Like at the Russell Barr Williamson ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

CAPE CANAVERAL SPACE FORCE STATION — NASA and Blue Origin are planning to launch the ESCAPADE mission, where a pair of satellites will study Mars' magnetosphere. ESCAPADE will eventually help future ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

Webb’s latest observations reveal a hellish world cloaked in an unexpected atmosphere: TOI-561 b, an ultra-hot rocky planet ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...