Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the ...

Around a star just 20 light-years from the Solar System, astronomers have confirmed the existence of what might be a ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Mercury takes only 88 Earth days to orbit the sun.

Scientists found Titan’s orbit is shifting faster than expected due to tidal dissipation. A recent cosmic event likely ...