Lava lakes on Io: Juno zooms in on Io’s volcanoes

NASA's Juno spacecraft flew in close to Io and studied lava lakes, gleaning new information on the volcanic processes on this active volcanic moon.

The Tunguska explosion rocked Siberia 116 years ago

The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. It flattened 830 square miles of Siberian forest.

Perseverance rover explores Bright Angel in ancient riverbed

NASA's Mars Perseverance rover has reached an area of flat light-toned rocky outcrops called Bright Angel. The intriguing rocks are in an ancient river channel.

Hercules the Strongman and a great globular cluster

Hercules the Strongman is a great constellation to view in summer. With only a pair of binoculars you can see the globular cluster M13 in the Keystone.

Asteroid Bennu sample suggests an ocean world origin

Analysis of the asteroid Bennu sample delivered to Earth by NASA’s OSIRIS-REx mission shows a type of rock mirroring that found at Earthly mid-ocean ridges.

Asteroid Day to be observed worldwide on June 30

Asteroid Day is celebrated each year on June 30. Events are celebrated in Luxembourg (June 28-29) and around the world. Find more info here.

Habitable exoplanets could exist around nearby stars

By measuring radiation levels, astronomers using the Chandra X-ray Observatory and XMM-Newton satellite said some nearby stars could have habitable exoplanets.

Lyra the Harp contains Vega, a summer gem

Lyra the Harp is a constellation that hosts the second brightest star in the northern sky, Vega. Look for it on summer nights.

Meteor shower guide 2024: Up next the Delta Aquariids

The Delta Aquariids meteor shower rambles across the skies for weeks. Look for them from late July through early August. Your 2024 meteor shower guide here.

Russian satellite breakup sends ISS astronauts to shelter

A Russian satellite breakup on June 26, 2024, sent astronauts aboard the space station to their shelters until it became clear the debris was not in their path.