Higher solar activity brings more radiation, which can damage satellite electronics and force some satellites to deorbit ...

The Solar Ultraviolet Imager, or SUVI, onboard NOAA's GOES-19 satellite, which launched on June 25, 2024, began observing the sun on Sept. 24, 2024. SUVI monitors the sun in the extreme ...

The solar system has many more moons than the one we can see in the sky. ... And unless you have a decent telescope, it is the only natural satellite you can see with your own eyes.

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Our solar system may have a ninth planet after all, ... In 2006, the Japanese Aerospace Exploration Agency launched the infrared satellite AKARI, which was active until 2011.

Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our sun much quicker than ...

But the black holes would have speeds of about 200 kilometers per second and come from outside the solar system. That’s rare for space rocks ( SN: 9/12/19 ).

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...