Using the Whole Earth Blazar Telescope (WEBT), an international team of astronomers have performed long-term photometric ...

An international team of researchers tracked the active solar region using the Solar Orbiter spacecraft, a joint NASA and ...

The sun is not only our closest stellar neighbor, it's also the star we understand the most. As we've observed it over the ...

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

Next stop on the trail is to Fort Selden. Here we will roll up sleeves with Interpretive Ranger... Next stop on the trail is to Fort Selden. Here we will roll up sleeves with Interpretive Ranger, ...

We head to the Chiricahua Desert Museum, in Rodeo New Mexico. This museum is home to... We head to the Chiricahua Desert Museum, in Rodeo New Mexico. This museum is home to everything reptile. Live ...

2025 was another busy year on the sun. But how did it compare with 2024, and what will 2026 bring for solar activity and the northern lights? When you purchase through links on our site, we may earn ...

"Ultimately, this work may help scientists better predict the impact of space weather across the solar system on longer timescales than currently possible." When you purchase through links on our site ...

Parker Solar Probe reached "perihelion," the nearest point to the sun in its orbit, on Dec. 13, 2025. Credit: ASA / Johns Hopkins APL / Steve Gribben illustration A NASA spacecraft is making a close ...

Sunspot AR 4294-96 could unleash solar flares and coronal mass ejections (CMEs) – clouds of charged particles that trigger geomagnetic storms on Earth. Such storms can disrupt satellites, radio ...

The solar maximum may be over, but the sun has still been busy with activity. A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric ...