Over many millions of years, NASA suspects the young world could mature into either of the most common planets found in our Milky Way galaxy: a "super-Earth" or mini-Neptune.

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

The planet's home star, IRAS 04125+2902, sits just over 520 light-years from Earth, making it quite close in galactic terms. If the universe were a cosmic city, we're definitely in the same ...

Barber used data from NASA’s Transiting Exoplanet Survey Satellite ... Fatih Aktas/Anadolu via Getty Images The planet, named IRAS 04125+2902 b, is estimated to be 3 million years old, which ...