In reporting on emerging science for 180 years, Scientific American has published straight accounts that were considered ...

Astronomers have long speculated about the existence of a mysterious planet lurking far beyond Neptune, a world several times ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

Dive into the frozen mysteries of Pluto! From its unexpected landscapes to the quest for a subsurface ocean, explore the dwarf planet's secrets and why it's more intriguing than ever!

Looking at dunes and other rock formations on both Earth and Mars can tell scientists the environmental conditions that created them ...

A rare celestial object beyond Neptune, 2020 VN40, moves in sync with Neptune, offering new insights into the outer solar system and fueling the search for Planet Nin ...

Astronomers have spotted a distant celestial object named 'Ammonite' that could potentially debunk the existence of the theorized Planet Nine.

Japan's Subaru Telescope in Hawaii detected a faint, icy body. Now named 2023 KQ14, or Ammonite, it lies well beyond Pluto.

Pluto reaches opposition and the Moon waxes to First Quarter as shooting stars streak through the sky this week.

Every once in a while, space gives us something totally unexpected. Well this time, the solar system is surprising us with a ...