June offers the shortest nights of the year for stargazers in the Northern Hemisphere. So count on our monthly Sky Tour podcast to help you get the most out your casual stargazing. It’s a fun and informative way to introduce yourself to the nighttime sky!
The well-known star cluster Messier 4 might have an elusive, midsize black hole hidden at its center, but the evidence isn’t conclusive yet.
An ambitious new mission from the United Arab Emirates would fly closely and speedily by seven main-belt asteroids.
Venus starts the week under Pollux and Castor, then it lines up with them. Nearby, Mars steps on the Beehive. Way up toward in the south, the Bootes kite flies high.
JWST images of early galaxies have turned up a population of flat, red disks that may have been entirely missed by previous surveys.
The Daniel K. Inouye Solar Telescope shows some stunning detail on the Sun, including sunspots, fibrils, granules, and other solar textures.
Astronomers have observed an unusual supernova, in which a helium star fed a white dwarf until it exploded.
A supergiant star exploded as a supernova in the prominent galaxy M101 in Ursa Major. It's now bright enough to see in a 4.5-inch telescope!
A cosmic lens magnified the light of an exploding star. Now, astronomers are using observations of that supernova to calculate the universe’s current rate of expansion.
As Venus and Mars move toward each other in the western dusk, Venus brightens and Mars shrinks. Just like they always do. This week the Moon hops over both.
An unusual streak of stars thought to have formed in the wake of a wandering supermassive black hole might just be a spiral galaxy seen edge-on.
I traveled to Lake Turkana in Kenya in 2013 to observe just 11 seconds of totality during a hybrid solar eclipse. During this uncommon event, the apparent diameters of the […]
NASA spacecraft are constantly sending back images from across the solar system. Here are two that caught our eye.
The May 17th dawn pairing of Jupiter and the Moon may be one of the most amazing conjunctions you'll ever see.
Get ready for the Grand Canyon Star Party on June 10–17, 2023.
A rock that crashed through the roof of a house in New Jersey proved to be the real thing — a chunk spalled from a 4.5 billion-year-old asteroid.
New JWST images reveal that one of the most distant objects ever observed is actually two baby galaxies on a possible collision course.
James Webb Space Telescope observations offer a new window inside the atmosphere of the secretive sub-Neptune GJ 1214b.
The Minor Planet Center is announcing a bevy of new moons for Saturn that will bring its total to 145 (and break Jupiter's record).
Mars and Venus each line up with a pair of stars this week. And with the Milky Way lying all around the horizon, the Coma Berenices Star Cluster floats overhead.
When you want to relax under the stars there's no better way than on your back looking up at the zenith. We explore what's overhead and discover there's more than one zenith up there.
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