Space News & Blog Articles

Scientists have found a chemical signature that hints at ancient life on Mars. But other possible explanations remain.

A new study of Starlink satellites’ impact on astronomy gives the community cause for both relief and concern.

Fully deployed, the James Webb Space Telescope arrived at its new home today, in a halo orbit around the Earth-Sun L2 Lagrange point.

Astronomers are starting to close in on the origins of fast radio bursts — powerful, fleeting flashes of radio waves seen at extragalactic distances.

Although no total or annular solar eclipses occur this year, skywatchers can look forward to two total lunar eclipses — the first ones observable across North America in more than 3 years.

As Jupiter gets lower now, Orion and Gemini rise high, the Winter Triangle pivots on Sirius, the Great Square sinks and the Big Dipper creeps up.

The University of Colorado, Boulder, has unveiled a 1:10 billion scale-model solar system with an interactive sound experience.

Go ahead, live on the edge: Grab your chance this month to see Mare Orientale, one of the most spectacular lunar seas most people have never seen.

A unique mission concept known as Interstellar Probe would venture beyond the solar system and probe our neighborhood environment.

The kilometer-wide, potentially hazardous asteroid 1994 PC1 will fly past Earth on January 18th. Good news on two counts: It won't hit us, and it's bright enough to see in a 4-inch telescope.

Astronomers may have found a second Neptune-size exomoon hidden in the retired Kepler space telescope’s data.

Jupiter stands alone at dusk. The Moon dances with Castor and Pollux while Iris creeps in the background. And you can't keep Venus down for long; its tiny crescent reappears at dawn.

This week astronomers have announced the completion of the largest 3D map of galaxies across the cosmos, plus exquisite radio observations show what happens when a stellar intruder interrupts planet formation.

Saturn’s icy moon Enceladus harbors a subsurface ocean, and many astronomers have believed that watery plumes erupting from its surface might provide an easy way to sample it. But computer […]

Supernovae that carved out the Local Bubble, a cavity around the Sun, have also triggered star formation at the bubble's edges.

A detailed study of 12 streams of stars swirling in and around the Milky Way will ultimately help shed light on our galaxy's dark matter halo.

Astronomers are searching nearby dwarf galaxies for the ancient origins of supermassive black holes.

Astronomers watch starbirth and stardeath, capturing a unique view of a stellar nursery and witnessing a supergiant's supernova.

In the hills of northern Calirfornia, a 10-year-old boy discovered a comet's tail — and a lifelong passion for stargazing.

The James Webb Space Telescope has unfolded its primary mirror, marking the end of the deployment phase for the observatory.

Mercury draws close to Saturn low in twilight, then turns shy and runs away. Jupiter watches from above. The Moon, careless of such goings-on, waxes through first quarter to show off for your telescope.