Deep-sky objects shine and the giant planets show off their satellites as the bright light from the Moon disappears from our ...

The Fighting Dragons of Ara, also called the Rim Nebula and cataloged as NGC 6188, comprises dark, star-forming clouds and bright young suns.

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 OSIRIS-REx spacecraft returned triumphantly to Earth in 2023 after collecting 4.3 ounces (121.6 grams) of precious grains of dust and rock from the asteroid Bennu in 2020. While that sample return ...

The object that would become known as both the Great January Comet of 1910 and the Daylight Comet was first seen Jan. 12 in the Southern Hemisphere. It’s unclear who precisely discovered it, but some ...

Mars is in conjunction with the Sun at 7 A.M. EST, invisible in our sky until mid-March. The bright moon Titan lies near its parent world, Saturn, in the evening sky tonight. The largest of the ringed ...

First-magnitude Saturn crosses into Pisces today, readily visible to the naked eye as the brightest light in the southwestern sky as it sinks slowly toward the horizon a few hours after sunset. You’ll ...

NASA for the first time has announced launch windows for the first crewed spaceflight beyond Earth orbit in more than half a century. The space agency on Friday said it is making final preparations ...

Charged with determining if the ionosphere could be penetrated by radar, Lt. Col. John DeWitt of the Army Signal Corps assembled a team of scientists, mathematicians, and engineers at Camp Evans (Fort ...

You’ll find this terrific open cluster midway between 5th-magnitude Sigma Cassiopeiae and 6th-magnitude Rho Cas. This group glows at magnitude 6.7, so even through a 4-inch telescope, you’ll see 50 ...

A seemingly small, unassuming constellation is rising in the east after sunset: Triangulum. One of the smallest constellations (ranking 78th out of 88), this simple star pattern is nonetheless ...

The famed Andromeda Galaxy, or M31, draws attention at public star parties not only because it is the nearest major member of the Local Group to our Milky Way, but also because most people are aware ...