The discovery of 2017 OF201 is significant, as it challenges the hypothesis of Planet Nine, a hypothetical planet thought to exist in the outer Solar System.

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

A distant, icy world has just been added to our solar system’s official roster, and its strange orbit might challenge one of ...

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter ...

In April, scientists captured global attention by announcing they'd found a molecule in a faraway planet's atmosphere that ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Trump Administration Halts Harvard’s Ability to Enroll International Students The move was a major escalation in the administration’s efforts to pressure the university to fall in line with ...