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

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

As more satellites are launched into orbit, space agencies are looking at how to predict space weather events that could harm ...

Solar Maximum 2025 is the expected peak of solar activity in Solar Cycle 25, characterized by heightened sunspots, solar ...

On July 12, 1989, the European Space Agency launched an experimental communications satellite named Olympus-1. It was the ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

The US space agency reveals highly-detailed imagery of massive plumes of solar material spewing out into space.

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

Experts have advised people to monitor reliable sources like NASA and NOAA for updates on solar activity and space weather.

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...