Space News & Blog Articles

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.

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

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.

Sky & Telescope editors made their annual pilgrimage to the Northeast Astronomy Forum to check out new astro-gear and meet up with contributors and readers alike.

Astronomers have uncovered evidence that two planets collided around a young star, revealing how giant impacts sculpt baby solar systems.

The close pass of Apophis is nothing to fear. Will you be watching on Friday, April 13, 2029, when this asteroid glides across the sky?

The Vera C. Rubin Observatory will discover up to 500,000 solar system objects every year. It’s already starting to deliver on that promise.