Space Weather

NASA's Parker Solar Probe spacecraft kicked off the new year with another close approach to the sun on Sunday (Jan. 17) as the sun's activity picks up from a lull when the probe launched.

If you look up in the southern sky you can see the “pointer” stars, pointing towards the Southern Cross.

The sun unleashed its most powerful solar eruption in more than three years on Sunday (Nov. 29).

A group of sunspots has emerged on the Earth-facing side of the sun, just in time for Thanksgiving.

We're officially nine months into solar cycle 25, scientists have confirmed, and it will likely look much like its predecessor, which ran from 2008 to 2019.

The more congested space is, the more contested it becomes, creating challenges for both national and global security.

A disabled satellite that tracks space weather is back online after nine months of efforts to get it communicating with Earth, according to a U.S. government update.

One of the most pressing problems when it comes to keeping our planet safe from space threats is data, which sounds so simple to address. It's not.

It's always sunny for heliophysicists, but especially so now.

Where should you go to get the best look at the dancing, dazzling display known as the aurora borealis?

The spectacular solar storms that paint the polar skies in beautiful greens and pinks have a darker side

South Africa's space agency has existed for just eight years, but the country wants to tackle a crucial challenge in satellite technology: understanding space weather.

Another long-lived NASA mission has come to an end, this one after more than seven years of dancing through the perilous belts of radiation around Earth.

NASA's long-awaited space weather mission is making scientists wait again — ironically, due to terrestrial weather.

NASA hopes that the long-delayed launch of a space weather mission called ICON will finally occur tonight (Oct. 9) — but terrestrial weather concerns may scrub the flight.

An Earth-observing satellite called DSCOVR has been stuck in safe mode for three months, and its operators finally have a plan to reboot it — but not for another few months.

NASA is considering two proposals that would study space weather from the sun, which poses a radiation threat to astronauts cruising across the solar system.

Auroras offer a wonderful variety of colors and phantasmagoric shapes. A vertical panorama seems to reveal one of these epic moments, with the incredible shape of a bird flying with a running rabbit.