Brown dwarfs are more massive than a planet, but less massive than a star. They can be found orbiting stars, or traveling around in the galaxy on their own.
A geomagnetic storm is a disturbance in Earth's magnetic field, caused by activity on the sun. The current solar cycle number 25 has triggered a few of them.
An international team of astronomers has discovered a new protoplanet - a young, still-forming planet - 374 light-years from Earth. It is still buried in dust.
Do you remember the 1st-ever photo of a black hole released in 2019? Researchers have now produced an even better, sharper version using machine learning.
Is the U.S. in a space race with China? While both are actively expanding their presence in space and their goals for the moon, one country is still far ahead.
The closest planet to the sun, Mercury, has a tail much like a comet. See Mercury's sodium tail in photographs through special filters and learn more about it.
Astronomers used a trio of telescopes to measure the "redness" of the Neptune Trojans, asteroids in Neptune's orbit. Turns out they're redder than expected.