Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ...

Space has a way of making scientists throw out their textbooks. Just when astronomers think they understand how the universe ...

Earth’s once-balanced energy budget between the Northern and Southern Hemispheres is shifting, according to 24 years of NASA ...

Although Earth’s two hemispheres lie on opposite sides of the planet and differ in many ways, they share a peculiar ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...

The researchers’ reconstruction shows that by mixing four resets at 358 months (the inex cycle) for every one at 223, the ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

Astronomers have found signs that the small icy world Chiron, orbiting between Saturn and Uranus, may be forming a new ring ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...