Astronomers want to build a telescope they say would change the way we know the universe. Hawaiians are fighting to preserve their culture and land.
Binary asteroid system 1999 KW4 poses no threat of collision with our planet, scientists say.
Sunday's celestial event was the last total lunar eclipse before 2021.
The total lunar eclipse will be visible from coast to coast in the United States.
The bright green comet has arrived just in time for the holidays.
The court upheld a building permit for the $1.4 billion Thirty Meter Telescope atop Mauna Kea, a mountain considered sacred by many Native Hawaiians.
The dwarf planet is new evidence of the long-sought Planet X.
The view is expected to be exceptional this year because the showers coincide with a new moon.
Blood moons have inspired both awe and fear throughout the centuries.
“Being a New Yorker, I don’t have any interest in watching the eclipse," he previously said.
Mae Jemison joined NASA in 1987, and in 1992 became the first African-American woman to travel to space.
This is what happens when there's a "supermoon," a "blue moon" and a total lunar eclipse all at once.
The National Weather Service in Detroit confirms that the "flash and boom" were not from lightning.
On New Year's Day the full moon coincided with its point in orbit closest to Earth, creating a jaw-dropping supermoon.
2018's biggest supermoon will be followed at the end of January by a "super blue blood moon."
The 1,400-square-mile area in central Idaho offers brilliant views of the night sky.