Add Yahoo as a preferred source to see more of our stories on Google. In our solar system, Earth is one of but eight planets – nine, if you really want to count Pluto – and the only one remotely ...

NASA’s Transiting Exoplanet Survey Satellite has once again surprised astronomers by tracking interstellar comet 3I/ATLAS, a ...

NASA's James Webb Space Telescope has captured evidence of a planet beyond the solar system for the first time since its launch in 2021. The exoplanet, a planet beyond our solar system, has been ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

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 ...

The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Researchers have developed a new coronagraph that could make it possible to see distant exoplanets obscured by light from their parent stars. Researchers have developed a new coronagraph -- an optical ...

As part of the Decadal Survey on Astronomy and Astrophysics (Astro2020), the Panel on Exoplanets, Astrobiology, and the Solar System will identify and articulate the scientific themes that will define ...