NASA astronaut Sunita Williams will safely return to Earth on March 19 after being stuck on the International Space Station ...

For several years, astronomers have been aware of a much-ballyhooed “city-killer” asteroid named YR4 2024, which is hurtling ...

The asteroid is hurtling towards us at a zippy 15,000 miles per hour, according to the space agency's Jet Propulsion ...

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With speculation circulating about astronaut Sunita Williams’ delayed return from the International Space Station, Dr ...

Astrophysicist Neil deGrasse Tyson says we needn’t worry about the “mansion-sized” asteroid heading toward Earth. The chances ...

Sensational "city killer" headlines aside, NASA and the European Space Agency reported the asteroid "has a very small chance" ...

The asteroid 2024 YR4 probably won’t come nearly as close to Earth anytime soon as the space rock in this artist’s ...

Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists ...

The US Air Force has completed a detailed design review of two adaptive-cycle engine designs under the Next Generation ...

Before Apollo astronauts set foot upon the Moon, much remained unknown about the lunar surface. While most scientists ...

Another night of observations revealed there is little to fear from the football-field-sized Asteroid 2024 YR4.