Sun
Sun news: Fast coronal hole winds now easing
Sun news August 31, 2026: A coronal hole's wind disturbed our magnetic field before fading. Meanwhile, a big filament erupted in the northeast.
Space
WATCH HERE: Nancy Grace Roman Space Telescope launch
The Nancy Grace Roman Space Telescope launched successfully on Sunday morning, August 30, from the Kennedy Space Center. Livestream replay here.
Astronomy Essentials

Do the planets revolve around the sun? Not exactly

Do the planets revolve around the sun? Not exactly. The sun and planets orbit a common center of mass, which, right now, is outside the sun.
Earth

Do you love twilight? The 3 stages explained

Twilight is that magical time between sunlight and darkness. Astronomers, experts on nighttime, recognize 3 stages of twilight.
Constellations

Telescopium the Telescope is below the Teapot

Telescopium the Telescope is a constellation that appears best in southern skies, south of the Teapot. Look for it in dark skies.
Space

‘Jellyfish’ on Mars: Image from Curiosity rover goes viral

What is this odd 'jellyfish' on Mars? Possibilities include a cosmic ray artifact, an electronic artifact and what astronomers call a "transient phenomenon." The image went viral this week!
Human World
Today's Image

Best eclipse photos! Nearly total, August 27-28

EarthSky community photos of the lunar eclipse of August 27-28, 2026. Thanks to all who submitted eclipse photos!
Space

Meet a Saturn-sized exoplanet with Earth-like temperatures

TOI-199b is a warm Saturn-sized exoplanet 330 light-years away. New observations by the Webb space telescope show there is methane in its atmosphere.
Space

Huge rift valleys on Venus hint at a still-living planet

A new study of huge rift valleys on Venus shows that they are likely younger than previously thought, and might still be geologically active today.
Clusters Nebulae Galaxies

The Wild Duck cluster, M11, a lovely open cluster in Scutum

The Wild Duck cluster, also known as M11, is an open star cluster in the constellation Scutum that appears best through binoculars or a telescope.