A big solar flare from November 28 will arrive on Earth overnight, potentially creating opportunities for aurora sightings across the northern United States.
The long-duration radio emissions were seen over a large sunspot on our star’s surface, revealing a previously unknown stellar phenomenon.
The planet’s atmosphere is mixing with particles, producing a newly discovered infrared aurora.
The quest to “kiss the Sun” has led to unprecedented distance and speed records, as Parker continues its historic exploration of our host star.
Two decades of Chandra Observatory data reveal the aftermath of the Eta Carinae stellar eruption of 1838.
The intrepid little spacecraft flew through a coronal mass ejection, helping scientists understand space weather.
Explore the beauty of space with over 30 mesmerizing images, all handpicked from this year's Astronomy Photographer of the Year competition.
Researchers utilized a camera hack on the Solar Orbiter to reveal a part of the Sun's atmosphere that was previously impossible to see.
The ancient galaxy's magnetic field, 16,000 light-years across, is the furthest astronomers have ever detected.
STEREO-A will pass between Earth and the Sun for its first flyby since launch in 2006, collaborating with other missions to reveal new insights about our star.
Both solar flares were X-class events, the most intense and energetic storms the Sun can emit.
The unprecedented detection, made possible by a fleet of spacecraft, could inform future mitigation techniques to protect astronauts from radiation sickness.
The burnt-out star has one side composed of hydrogen and the other composed of helium. Astronomers have never seen anything like it.
Data from BepiColombo's first flyby of Mercury is showing how high-energy auroras glow within the planet's thin atmosphere.
A geomagnetic solar storm is forecast to make the aurora borealis visible in much of the lower 48 on Thursday night. Here's where to look.
The Royal Observatory Greenwich will announce the winners of its astrophotography contest later this year. Check out these photos from the shortlist.
The small spacecraft stared straight at the source of solar wind, likely uncovering the process that drives the violent bursts of plasma.
A bright flash seen over the capital city of Ukraine was mistakenly attributed to the satellite's reentry, with NASA denying any connection.
The Sun-observing RHESSI satellite ended its 16-year-mission in 2018 and has been spinning around Earth ever since.
The IBEX spacecraft, in space since 2008, stopped responding to commands last month, requiring the reset.
