Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

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

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

There is an estimated 2.3% chance that the 2024 YR4 asteroid is heading our way. Here's everything you need to know about the ...

The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and ...

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

When looking at our solar system, the planets going around the sun seem to be set up in a pretty organized fashion. They are ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have questions, though.

Planetary Society Chief Scientist Bruce Betts notes while counterintuitive, the odds of impact go up before they drop to zero.

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...