Space News & Blog Articles

Watch the crescent Moon dance with the planets when it returns next week.

Two objects that appeared to be galaxies residing in a universe about 150 million years old turn out to be brown dwarfs in the Milky Way.

In 2019, a supermassive black hole in a galaxy 300 million light-years away woke up. Now, it’s puzzling astronomers with an unexpected slowdown in its X-ray bursts.

The imminent lunar impact of a SpaceX Falcon 9 rocket booster highlights the growing amount of space debris near the Moon.

Jupiter, shining high the western dusk, inches down day toward brighter Venus. Venus, meanwhile, creeps toward the horntip stars of Taurus and stands between them on May 13th.

The James Webb Space Telescope has observed the surface of a bare rocky exoplanet, revealing old, dark rock akin to that on our Moon.

Astronomers may have found the missing link required to understand one of the James Webb Space Telescope’s most puzzling discoveries.

Some celestial events are sure things; it's just a question of when. We're still waiting for T Corona Borealis to go nova — any month now.

The manufacturer of the highly coveted Questar telescope has closed its shutters after 76 years of serving the astronomy community.

Leo, the Lion, is one of the most recognizable of the spring constellations, with its large size, distinctive shape, and plentiful bright stars.

Observations — including from an amateur astronomer — show that the Plutino 2002 XV93 has a thin wisp of air around it.

The most recent interstellar visitor was crisscrossing our galaxy for some 10 to 12 billion years before it came near the Sun.

Venus hangs in place in the western twilight while Aldebaran and the Pleiades continue their downward slide behind it. And if Venus is the Evening Star, then bright Jupiter, high to its upper left, counts as the False Evening Star.

Scientists have identified at least seven carbon-rich molecules that NASA's Curiosity rover detected on Mars, and they're more complex than any found before.

Here's a quick guide to tell meteors from machines in your wide-field images of the night sky.

This month’s episode showcases the Big and Little Dippers, now placed high in the northern evening sky. We'll also track down all five bright planets and watch for meteors from Halley's Comet. So grab your curiosity, and come along on this month’s Sky Tour.

Voyager 1, one of NASA’s longest continuously running interplanetary missions, had another instrument turned off last week, in an effort to keep the spacecraft operational. On April 17th, controllers turned […]

What factors impact how long it takes for a supermassive black hole binary to merge?

New observations from the James Webb Space Telescope might have caught the signature of the universe's first stars.

The Moon occults Regulus in twilight or bright afternoon for most of North America. Venus lines up between Aldebaran and the Pleiades. Sirius nears its heliacal setting.

Astronomers have located the edge of the Milky Way’s star-forming disk for the first time, showing that star formation is focused within 40,000 light-years of our galactic center.