Solar activity is likely to be on the decline all the way to 2030, which will mark the end of Solar Cycle 25.

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...

Interstellar Comet 3I/ATLAS is believed to be much older than the whole Solar System. It traveled across the galaxy for at least 10 million years without passing another star, and probably a lot ...

Massive solar flares, graceful eruptions of solar material, and an enormous sunspot make up some of the imagery captured by NASA's Solar Dynamics Observatory in 2013 and 2014. A year ago this weekend, ...

The sun has seen its most active month for over two decades, with a monthly average of 215.5 sunspots being recorded in August. This is the first time the average monthly sunspot number has exceeded ...

Scientists hunting for life beyond Earth have discovered more than 1,800 planets outside our solar system, or exoplanets, in recent years, but so far, no one has been able to confirm an exomoon. Now, ...

The colossal ball of hot gas at the center of our solar system will be lively for the next year, NASA said. The sun has reached its "solar maximum period," which is a state of heightened activity in ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed. The object -- likely a comet -- was first detected in data collected between by ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The largest comet ever found has jets of carbon monoxide gas ...

"I believe that this is probably one of the most detailed solar time lapses ever made by an independent astrophotographer." When you purchase through links on our site, we may earn an affiliate ...

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for ...

(PhysOrg.com) -- New photographs of the gas giant Jupiter, the first taken on May 9, show the massive reddish band of clouds known as the Southern Equatorial Belt in the planet’s southern hemisphere ...