Astronomy

Environment
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.
Environment
Binary asteroid system 1999 KW4 poses no threat of collision with our planet, scientists say.
Science
Sunday's celestial event was the last total lunar eclipse before 2021.
Science
The total lunar eclipse will be visible from coast to coast in the United States.
Science
The bright green comet has arrived just in time for the holidays.
U.S. News
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.
Science
The dwarf planet is new evidence of the long-sought Planet X.
Science
The view is expected to be exceptional this year because the showers coincide with a new moon.
World News
Blood moons have inspired both awe and fear throughout the centuries.
Politics
“Being a New Yorker, I don’t have any interest in watching the eclipse," he previously said.
HuffPost Video
Mae Jemison joined NASA in 1987, and in 1992 became the first African-American woman to travel to space.
World News
This is what happens when there's a "supermoon," a "blue moon" and a total lunar eclipse all at once.
U.S. News
The National Weather Service in Detroit confirms that the "flash and boom" were not from lightning.
HuffPost Video
On New Year's Day the full moon coincided with its point in orbit closest to Earth, creating a jaw-dropping supermoon.
Science
A breathtaking way to begin the year.
Science
2018's biggest supermoon will be followed at the end of January by a "super blue blood moon."
Green
The 1,400-square-mile area in central Idaho offers brilliant views of the night sky.