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

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

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

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

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

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

It may be made from a former star ...

Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

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

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 ...