Astronomers have long believed that planetary systems follow a familiar blueprint. Small rocky planets ...

Computer simulations suggest NASA’s Habitable Worlds Observatory could detect Earth-like exomoons around gas giant exoplanets through reflected starlight and lunar eclipses.

An international team of scientists led by the Institute of Cosmos Sciences at the University of Barcelona (ICCUB) and the ...

Lionel Messi kicks off a critical season for Major League Soccer this weekend as the rapidly growing US domestic league seeks ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

The first clue came from NASA’s Transiting Exoplanet Survey Satellite, TESS, launched in 2018 to watch large areas of sky for tiny, repeating dips in starlight. Each dip marks a transit and reveals an ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

Moore called the new LP “a prayer to the war-torn souls of the families of Palestine continually decimated by the brutality of genocide” ...

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

In a conventional system like our own, rocky planets such as Mercury, Venus, Earth, and Mars orbit closest to the host star. Farther out, gas giants ...

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet Tatooine, are so scarce in our galaxy — and it has to do with general relativity.