Space News & Blog Articles

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

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.

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.

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.

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

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

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.

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?

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.

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

NASA has announced that the Nancy Grace Roman Space Telescope is all set for a September launch.

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.

The James Webb Space Telescope has taken a deep look at the rings around the ice giant Uranus and found a new mystery to be solved.

The Proba 3 mission flies two spacecraft in precise formation to create an artificial eclipse and obtain close views of the solar wind as it leaves the Sun.

State-of-the-art simulations shed light on how galaxies die — and how we can determine the cause of death.

The crew of Artemis 2 reported six flashes of light while passing behind the Moon. We've seen those kinds of flashes before.

The waxing Moon this week visits Venus, the Pleiades, and the Jupiter-Pollux-Castor triangle, then it occults Regulus in a bright sky.

Watch Regulus disappear and reappear before your eyes during its last North American occultation in the current cycle.