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

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

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

Scientists have discovered over 6,000 planets that orbit stars other than our sun, known as exoplanets. More than half of ...

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

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

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

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 ...

NASA’s AI, ExoMiner++, is scanning TESS data, flagging 7,000 potential exoplanets. Open-source and powerful, it separates ...

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 ...

In our solar system, Earth is one of but eight planets – nine, if you really want to count Pluto – and the only one remotely hospitable to life. And as technology advances, astronomers only expect to ...