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

Scientists have discovered more than 6 000 planets that orbit stars other than our Sun, known as exoplanets. More than half ...

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring ...

The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic ...

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

A new discovery suggests the possibility of an exomoon with an unprecedentedly large mass, thousands of times larger than any ...

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

CNN — Ten years after the Kepler Space Telescope launched and revolutionized exoplanet discovery, Kepler-1658 b has finally been confirmed as the first exoplanet that the mission ever detected. It's ...

NASA is celebrating a big milestone after the 6,000th exoplanet discovery was confirmed this week. Exoplanets are worlds outside our solar system. Just over three decades ago, the first exoplanets ...

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 ...

It was more than 30 years ago when the first ever exoplanet was discovered. Since then, astronomers have discovered more than ...