Siraj’s Planet Y search started about a year ago when he was trying to find out whether the shape of the Kuiper Belt is flat.

Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Humanity's drive to explore has taken us across the solar system, with astronaut boots, various landers and rovers' wheels ...

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...

On Oct. 19, 2016, the European Space Agency's ExoMars mission arrived at Mars! ExoMars consists of the Trace Gas Orbiter and ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

Students for the Exploration and Development of Space (SEDS) is more than just a club for students who are passionate about ...

On Episode 182 of This Week In Space, Rod Pyle and Tariq Malik are joined by Terry Hart to discuss his career from a fighter ...