India's 2nd moon mission, Chandrayaan-2, successfully carried out its 3rd orbit-raising maneuver on Monday. It will soon enter trans-lunar orbit, with the goal of landing on the moon on September 7.

Are the gentle blinks of fireflies flashing a favorite part of your summer evenings? An entomologist explains some lightning bug basics.

Astronomers didn't expect to see a thin disk around the supermassive black hole at the center of galaxy NGC 3147, some 130 million light-years away. They're using Einstein’s theories of relativity to understand the velocities involved, and the intensity of the black hole's pull.

This meteor shower doesn't have a definite peak, but is spread out over many weeks. With little to no moonlight before dawn now, late July and early August are a good time to watch.

Members of the Astronomy in Chile Educator Ambassadors Program are heading to Chile for a tour of its great observatories, July 27 to August 5, 2019.

Birds spend a lot of time and energy singing, but they don't do it the same way in every season of the year. And some can't sing at all. What's the purpose of birdsong?

Before dawn on July 26, 27, 28, 2019, see the waning crescent moon travel in front of Taurus the Bull. Let the moon introduce to the constellation's 2 outstanding features, the Hyades and the Pleiades clusters.

For the last few decades, the search for extraterrestrial intelligence has focused on detecting radio signals. But a new collaboration between Breakthrough Listen and VERITAS will focus on looking for laser-like flashes of light.

Last month was the planet's hottest June in NOAA's climate record, which dates back to 1880. Also last month, Antarctic sea ice coverage shrank to new record low.

Summer lightning over a harbor in Tällberg, Sweden.