It’s been 25 years since the Space Shuttle Atlantis lofted the Hubble Space Telescope into orbit. We flash back to 1990, when astronomers debated the undertaking that changed the face of astronomy.
A galaxy-size blob of gas discovered eight years ago by a Dutch schoolteacher has galvanized the study of the spectral remains of once-bright quasars.
Astronomers have discovered 195 compact elliptical galaxies, upping the known number of these weird galaxies sixfold.
Jupiter and the first-quarter Moon star in the evening skies this weekend. Jupiter’s still got game even though it’s now far from opposition – be sure to catch its moons antics this week.
Walk in the astronauts’ footsteps as you explore the places they visited in the heyday of Apollo program. Use these helpful maps to start you on your way.
The stars of northern winter linger in the west — as celestial bears, a lion, and a snake climb in the east. Meanwhile, Jupiter and Venus sparkle overhead.
April 25th is Spring Astronomy Day, when hundreds of organizations worldwide host special family-oriented events to showcase the wonder and excitement of the night sky.