The threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world’s telescopes rush to track ...

There will also be two total lunar eclipses that occur during the March and September full moon events. A lunar eclipse, ...

"We were very surprised to see that the same tiny plasma jets appear to be driving both the fast and the slow solar wind." ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

NASA is training humanity’s most powerful telescope on a “city-killing” asteroid to determine whether or not we need to brace ...

The Sun's surface is a highly active region in the Solar System, with fissures opening up regularly that affect us on Earth.

In the 1990s, Lockheed envisioned an aircraft so massive it needed Airbus and Boeing to build it. Explore the story of the ...

While the apparent increase in collision probability for December 2032 may seem concerning, experts stress that the risk ...

In recent weeks, scientists have said the threat of a recently discovered asteroid hitting Earth in 2032 has risen slightly, ...

On Mercury, the hot days are also incredibly long. Because Mercury rotates so slowly — once every 58 Earth days — in some places, the sun can appear overhead for weeks at a time. A year on ...

Look up this week for February’s full snow moon and to catch the last glimpse of a visible parade of planets in the night sky before they fade from view.