A new theory explains how dozens of mysterious planet pairs discovered by the James Webb Space Telescope, dubbed "JuMBOs," ...

Researchers are preparing to study the atmospheres of Earth-sized exoplanets, focusing on distinguishing those similar to ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

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

NASA's TESS satellite has discovered a Neptune-sized exoplanet closely orbiting its host star. It's just the fourth object of ...

Extrasolar gas giant planets are a necessary stop on the road to finding life elsewhere in the cosmos. Here's why we need to ...

While looking at the star system Kepler-51 with the James Webb Space Telescope, astronomers made a surprise exoplanet ...

Learn how you can see bright Jupiter from Earth, helped by its massive size and banded, reflective cloud tops, in December's ...

The youngster is less than 3 million years old, and raises questions about how planets form from the cosmos' dusty ether.

An international team of astronomers has investigated a planetary system consisting of three alien worlds orbiting the star ...