It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

Where will we first find life beyond Earth? This is what a recent study published in The Astronomical Journal hopes to ...

Nearly a century after Pluto’s discovery, astronomers are still searching for mysterious planets beyond Neptune - including a ...

Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

Amazon plans to launch over 80 missions containing some 3,000 spacecraft. Leo has had six launches so far, including three ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

Astronomers have discovered a rare planetary system that dances to a cosmic rhythm. Located 105 light-years away in the constellation Coma Berenices, HD 110067 hosts six planets roughly the size of ...

A new study using data from NASA's James Webb Space Telescope (JWST) has overturned long-held beliefs about mini-Neptune ...

When the James Webb Space Telescope detected potential biosignatures in the atmosphere of K2-18 b last year, the discovery ...

For years, scientists believed most mini-Neptunes were covered by vast oceans of molten rock—essentially entire planets made ...

NASA's virtual journey to the event horizon of a supermassive black hole The supermassive black hole of Phoenix A, the ...

Experiments at high temperatures and pressures reveal chemistry that can generate water on the surface of exoplanets ...