NASA's IR space scope explores the Milky Way’s most prolific star-forming region, cracking open new secrets of how stars form.

Artemis 2 will use the SLS to send a crew of four aboard an Orion spacecraft on a 10-day mission looping within 4,600 miles (7,400 km) of the Moon. The crew consists of Commander Reid Wiseman, Pilot ...

There’s plenty to view in the early-morning sky, especially with no Moon visible before dawn. Although anchored by the bright star Arcturus, the constellation Boötes is relatively devoid of bright ...

If you were to take a random blob of gas and heat it to solar temperatures (roughly 10,000 degrees Fahrenheit [5,500 degrees Celsius] at the surface or over 27 million F [15 million C] in the core), ...

Saturn’s four brightest moons are lined up for ideal viewing this evening. You can catch the ringed planet for a few hours after sunset, as it slowly sinks toward the western horizon. Around 7 P.M.

The gibbous Moon passes 5° north of Uranus at 2 P.M. EST. Tonight, you’ll find our satellite just northeast of the Pleiades star cluster in Taurus, with Uranus to their southwest. Many areas in Europe ...

How far can sound travel through space, since it’s so empty? Is there an echo in space? – Jasmine, age 14, Everson, Washington In space, no one can hear you scream. You may have heard this saying.

The September 2025 issue featured “A guide to beginner’s guides,” a reminiscence and description of some the books for astronomy beginners that Contributing Editor Raymond Shubinski recommends or ...

Comet 3I/ATLAS is hitting a major milestone on Oct. 30, 2025. The interstellar comet is reaching perihelion, its closest point to our Sun, marking the climax of its brief journey through our solar ...

When VOYAGER 2 flew by neptune and its largest satellite, Triton, in 1989, it revealed a moon with never-before-seen terrain and plumes spurting from the surface. At the time, scientists attributed ...

Take advantage of the dark window before the crescent Moon rises to explore the Rosette Nebula, also cataloged as NGC 2237. This gorgeous sight is made up of a central open star cluster surrounded by ...

Albert Einstein’s theory of general relativity is just over 100 years old, and so far it has predicted the interaction between celestial objects and the space-time field very well. There are a few ...