A green energy plant expected to be built in Chile's Atacama Desert could increase night-time sky brightness at one of the world's most valuable astronomical locations by up to 35%, a new study ...

April skies feature close planet pairings, a bright meteor shower, and stunning views of the ancient star cluster M3.

Although through much of April it does not rise until after the start of morning twilight, during the last week of the month it finally rises in a dark sky, at the same time it is attaining its ...