With the help of citizen scientists, astronomers have discovered a rare pair of "Odd Radio Circles" overlapping in space.
The entire progression will be observed by the ESA’s orbiters the Mars Express and ExoMars Trace Gas Orbiter as well as ...
It's not the first time there have been claims of signs of life on Mars, so why are scientists particularly thrilled now?
Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.
Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The id ...
The ISS feels impossibly far at 250 miles up, but lunar missions go 240,000 miles out - over 1000x the distance. It's a ...
BOSTON — A short, extremely bright explosion of light recently spotted in the night sky may be the most distant object ever seen in the universe, astronomers say. Scientists can't be sure exactly how ...
Cosmic dust—the tiny particles that help form stars, planets and the chemical building blocks of life—might be much spongier ...
Solar flares are colossal explosions in the sun's atmosphere that hurl out bursts of powerful radiation. These events are ...