Astronomers have discovered a planet that orbits at a 90-degree angle around a rare pair of strange stars—a real-life 'twist' ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...

From the outside, a planetarium and an observatory might look a somewhat similar, but it's what's inside that counts.

Today, the observatory is home to a variety of telescopes, as well as artifacts like Lowell's first telescope, classic scientific books and instruments built by the observatory's scientists for ...

Dubbed "Planet Nine," this hypothetical celestial body is believed to influence the orbits of distant, small objects beyond ...

The Habitable Exoplanet Observatory (HabEx) telescope was one of several proposal that were incorporated into the Habitable ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

A brand new NASA space observatory, SPHEREx, has taken its first test images a few weeks after its launch on March 11, and ...

While both deal with space, planetariums and observatories are different. Observatories use telescopes to view the actual sky, while planetariums project simulations of the stars and planets.