Total lunar eclipse – a supermoon eclipse – on May 15-16, 2022

A 90-minute total lunar eclipse on Sunday, May 15-16, 2022. It's seen across much of Earth, best from the Americas and western Africa.

Darn! Comet C/2021 O3 PanSTARRS has disintegrated

Astronomers hoped comet C/2021 O3 (PanSTARRS) would get bright after its April 2022 sweep near the sun. Instead, it disintegrated.

The Bortle survival limit for comets

Astronomers learn even from failed comets. The Bortle survival limit gives us a prediction as to whether a comet will survive perihelion.

The upcoming total solar eclipse in North America

The next total solar eclipse visible from North America will be on April 8, 2024. Find charts and learn more about eclipses here.

Partial solar eclipse of April 30, 2022

A partial solar eclipse occurs April 30, 2022. The moon's penumbral shadow will sweep across the southeast Pacific and southern South America.

Fireball over Germany! Did you see it?

A fireball lit up the skies over Germany last night. If you witnessed this fireball the IMO invites you to fill out a fireball report as soon as possible.

Clock time and sun time agree in mid-April

Sun time and clock agree every year in mid-April. It means that, when the midday sun climbs highest, both sundial and your local clock read 12 noon.

Double star orbits: New charts of Sirius and Albireo

Learn more about the double star orbits of 2 famous stars - Sirius and Albireo - with these fascinating charts from Guy Ottewell.

Watch live as an asteroid safely passes Earth on February 22

Asteroid 1999 VF22 will swing past Earth at a safe distance on February 22, 2022. You can watch the event live via Virtual Telescope.

Circumpolar stars stay up all night long

Circumpolar stars are those that never rise nor set from a certain location. At the poles, all stars are circumpolar, while at the equator, no star is.