Observations of exoplanets typically provide astronomers little more than an orbit, a mass and a radius. If the radius and ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, ...

Webb discovered an early cosmic boom of "red monster" galaxies, surprising even seasoned researchers who thought they knew ...

An astronomer breaks down 3 key components that allow researchers to make groundbreaking discoveries – and decide when ...

Magnetar flares can create gold, platinum, and uranium in seconds, reshaping cosmic element formation theories.

The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago. In 1983 ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

In a remarkable feat of amateur astrophotography, Michele Hernandez Bayliss, a Vermont-based astronomer, has managed to ...