Exoplanet TOI-561 b is the closest of four worlds orbiting a 10-billion-year-old G-type star roughly 280 light-years from Earth. Credit: NASA / ESA / CSA / Ralf Crawford illustration NASA’s James Webb ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA researchers. The exoplanet, known as super-Earth TOI-561b, was discovered in 2020, ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar system—and it's an absolute giant. Reading time 3 minutes In September, NASA ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light years away. The newfound exoplanet, which received designation TOI-1422 c, is ...

This collection celebrates the 30 th anniversary of the detection of the first planet outside our Solar System orbiting a main sequence star. Experts reflect on the impact of various milestones in ...

On this week’s episode of our YouTube exclusive show Space Beat, host Rob Landers and space team reporter Eric Lagatta discuss newly discovered evidence of UFOs in the skies around our nuclear test ...

An exoplanet is what we call planets that exist outside of our own solar system. The first one was discovered in 1992, but as we get more powerful and precise telescopes and instruments, scientists ...

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds. The total will rise even quicker as next-generation telescopes take flight.

Worlds upon worlds await us in the cosmos and we’re finding more all the time. Before 1992, we weren’t even completely certain planets existed outside of our solar system. Now, astronomers are finding ...

Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995, scientists have sought the telltale glimmers, flickers and wobbles that ...