Radio telescopes saw a strange burst of unknown energy in June 2024. Now we know it was from Relay 2, an early ...

Mercury stands less than 3° from the Beehive Cluster in the evening sky, preparing to cross through the cluster’s outskirts ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out sometime soon and observe the great globular cluster M22 in the constellation Sagittarius the Archer. From a dark site on ...

Based on the novel by Andy Weir, 'Project Hail Mary' takes one science teacher light-years from Earth on a vital mission to save humanity.

An enormous explosion occurred approximately 3 to 6 miles (3.8 to 9.7 kilometers) above the Tunguska River area of Siberia on June 30, 1908, when an asteroid entered Earth’s atmosphere and exploded in ...

This week’s launches include Axiom 4, a historic crewed mission to the ISS, plus multiple satellite deployments from SpaceX and other providers.

The bright morning star Venus crosses from Aries into Taurus, closing in on Uranus for a conjunction later this week.

Felton Davis offered thousands of strangers a close-up view of the Moon and planets orbiting New York City. Now he’s passing ...

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic ...

Two distant planets lie 1° apart in the morning sky, visible together in the same field of view through binoculars or a telescope.

Mercury hovers above the horizon near a four-percent-illuminated Moon, whose darkened face may be lit by earthshine.

Intuitive Machines’ Nova-C lander stands on the lunar surface in this illustration, depicting it at a ridge near Shackleton crater. Its landing site has since been changed to Mons Mouton.