Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

Right now, we're zooming through space at incredible speeds, so why aren't we dizzy or flying off into space?  An expert ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

Earth still only has one true natural satellite — our 2,159-mile-wide moon oribiting about 239,000 miles away. However, ...

In recent years, NASA's Parker Solar Probe has given us a close-up look at the sun. Among the probe's revelations was the presence of numerous kinks, or "switchbacks," in magnetic field lines in the ...

The concept, also depicted in a Star Trek episode, would fill Earth's orbit with satellites to harness energy from the Sun and block out solar rays to help cool the climate.

If alien life exists on the newly discovered JG 251 c, we could know about it in the next 10 years.

I/ATLAS was first spotted by NASA scientists in May this year. Ever since, it has displayed behaviors that are not just ...

Yeimy J. Rivera receives funding from NASA's Parker Solar Probe project through the SAO/SWEAP subcontract 975569. Tatiana Niembro receives funding from NASA's Parker Solar Probe project through the ...

For the first time ever, astronomers have imaged two black holes orbiting each other, finally offering visual proof for the existence of black hole pairs. Spotted through the faint fluctuations of ...

The European Space Agency’s ExoMars Trace Gas Orbiter captured images of 3I/ATLAS on October 3. ESA / TGO / CaSSIS 3I/ATLAS, the rare comet currently making headlines as it travels through our solar ...

On Oct. 1, 2025, the small asteroid known as 2025 TF whizzed past Earth at a distance of only 266 miles (428 kilometers) from our planet — roughly the same altitude as the International Space Station.