In the vast and boundless universe, humanity's exploration of the unknown has never ceased. The known diameter of the universe is approximately 93 billion light-years, but this is merely the tip of ...

Let's talk about how mysterious the universe is. To know, the visible diameter of the universe is about 93 billion light-years. Doesn't that sound a bit exaggerated?

The sun was heading into a long slumber, but started waking up in 2018, with high solar activity and fluctuating cycles that ...

NASA’s IMAP mission, led by Princeton University’s David McComas, will study the heliosphere — the invisible electromagnetic ...

A research team led by geophysicists at UC San Diego's Scripps Institution of Oceanography provides an explanation for ...

Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

By capturing the same thing from very different perspectives, a NASA astronaut and an intrepid photographer create a whole ...