View the full post on Ex-Twitter

Using NASA’s Neil Gehrels Swift Observatory, which launched in 2004, scientists have discovered a black hole in a distant galaxy repeatedly nibbling on a

View the full post on Ex-Twitter

NASA’s Neil Gehrels Swift Observatory has resumed use of its third science instrument and automatically repointing to examine new high-energy flashes in the sky.

Jupiter’s moon Ganymede is the largest moon in our solar system, bigger than the planet Mercury and dwarf planet Pluto.

Scientists first suspected dark matter’s existence over 80 years ago when Swiss-American astronomer Fritz Zwicky observed that galaxies in the Coma cluster

Combining data from NASA’s Chandra X-ray Observatory with radio observations and computer simulations, an international team of scientists has discovered a

View the full post on Ex-Twitter

You're invited! Each International Observe the Moon Night, people around the world celebrate lunar observation, science, exploration, arts, and culture.

Observations by NASA’s Swift spacecraft, now renamed the Neil Gehrels Swift Observatory after the mission’s late principal investigator, have captured an

We experience the world through different senses: sight, touch, taste, hearing, and smell. Similarly, astronomers now study the universe using different

From breaking news and entertainment to sports and politics, get the full story with all the live commentary.

At 6:28 a.m. EDT on Aug. 21, 1972, NASA’s Copernicus satellite, the heaviest and most complex space telescope of its time, lit up the sky as it ascended into

View the full post on Ex-Twitter