Astronomers have detected a rogue planet roughly the size of Saturn wandering alone through the Milky Way. Unlike most ...

Astronauts on the International Space Station were not only treated to a sight from Earth's atmosphere recently but also ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth. Astronomers have revealed new evidence ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...