Icy Impactor Might Explain the Formation of Mars’s Moons

In a new study, scientists suggest an impact with a giant icy object could explain the sizes and orbits of Mars’s moons.

Webb Telescope Reveals Worlds in the Farthest Reaches of the Solar System

James Webb Space Telescope data on distant worlds confirm some solar system formation hypotheses and confuse others.

This Week's Sky at a Glance, March 15 – 24

Tomorrow night, just below the Moon is Beta Tauri, El Nath. Much farther below are Aldebaran, and then lower, the Pleiades. Bright Jupiter shines down beneath the Pleiades. Looking wider, the Moon is nearly midway between Capella and Betelgeuse.

How to See the Diamond Ring During a Total Solar Eclipse

Here’s how to safely see the “diamond ring,” the dazzling burst of sunlight seen just before and after totality.

Is Betelgeuse Fading Again?

Betelgeuse has dipped nearly half a magnitude since late January. Could it be headed for another Great Dimming Event? We also take a look at this spring’s “other” eclipse.

What Will the Weather Be on the Day of the Total Solar Eclipse?

Eclipse weather expert Jay Anderson shares the long-range outlook for eclipse day as well as instructions on how to look at weather forecasts closer to April 8th.

March Podcast: A Barely-There Lunar Eclipse

As told in the latest episode of our long-running Sky Tour astronomy podcast, this month it’ll be challenging to see a special kind of lunar eclipse on March 25th — but easy to spot five of the 10 brightest stars in the night sky.

NEAF 2024

NEAF is the world’s prëeminent symposium for award winning talks, workshops, classes, and conferences. NEAF is an annual gathering of more than 4,000 professionals, amateurs, and space and astronomy enthusiasts, all coming together to share interests and passions.

Activities for Kids Before and During the Solar Eclipse

The solar eclipse of April 8, 2024, is the perfect opportunity to get people of all ages interested in the wonder of eclipses.

The Great 2024 Eclipse Guide



The Great 2024 Eclipse is a 64-page, full-color illustrated guide to the April 8, 2024, total solar eclipse. Everything you need to prepare for this awe-inspiring event is at your fingertips in this special issue.