Unravel the cosmic enigma with our latest video on the elusive "Planet Nine"! Join the quest as astronomers explore gravitational hints, peculiar orbits, and groundbreaking techniques in the ...

The curious minds at What If explore what it would mean for life on Earth if every planet in our solar system were habitable.

For nearly a decade, scientists have been on the hunt for Planet Nine – a hypothetical celestial object on the edge of our Solar System. Now, astronomers claim to have discovered this ninth ...

Most astronomers agree that life is likely common throughout the universe. While Earth is the only world known to have life, ...

Stars don’t just form planets—they may also re-supply their disks with gas, reshaping how and where planets emerge.

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy.

Brown and Batygin were not part of the Planet Nine research team, but both men previously suggested a “Planet X” existed in the far reaches of the solar system ... a link on our site ...

Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...

It is believed that there are more such super-Earths outside our solar system. It is common to have such planets orbiting their stars.