Astronomers have identified a newly discovered exoplanet that may orbit within the outer edge of its star's habitable zone, ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

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

The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that it’s only been seen once—and may never be glimpsed again ...

A sizzling exoplanet caught by the James Webb Space Telescope is shedding its atmosphere and leaving behind two gigantic helium tails.

If confirmed, this exoplanet would be the only known rocky world in the habitable zone of a Sun-like star.

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 ...

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 ...

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, challenging many of the previously held assumptions about planetary ...