A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is hidden in our solar system.
Mauna Kea is considered sacred to Native Hawaiians. It also happens to be ideal for space observatories. Now, a long running fight over the mountain's future may be coming to an end.
For a long time, the Catholic Church rejected scientific findings that conflicted with its doctrine, even persecuting Galileo. Now the Vatican looks to promote its observatory as a bridge to science.
Scientists and engineers in California are building a unique 3.2 billion pixel camera for a telescope under construction in Chile. The camera has taken its first test pictures — of broccoli.
Native Hawaiians chained themselves to a grate in a road to stop work on the controversial Mauna Kea project on what they say is sacred land. Development is scheduled to begin this week.
The massive telescope with a nearly 100-foot mirror is set to be built atop 13,800-foot Mauna Kea, considered sacred land by some of the project's opponents.
Operating a telescope in space is a challenge, but so is moving one on Earth. An inside look at how NASA's James Webb Space Telescope moved from Houston to Los Angeles.
A two-story tall, digital camera is taking shape in California. It will ultimately go on a telescope in Chile where it will survey the sky, looking for things that appear suddenly or change over time.