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

Six Princetonians have elected to the National Academy of Engineering: Professor Philip John Holmes, Professor Lynn Loo, and ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 million kilometers from Earth.

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from the new galaxy.

As the world increasingly turns towards renewable energy, the focus on solar technology, particularly solar inverters, has ...

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

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system. These embryos, somewhere between small planetesimals and fully formed planets ...

A commercial solar energy project that has been in the works for several years will have to wait at least to learn its fate ...

The Ontario government’s new policy directive to allow bids from natural gas and nuclear energy may hinder the province’s ...

Solar Orbiter has revealed that tiny, hair-like jets in the Sun’s coronal holes are responsible for both fast and slow solar ...