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

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known as a ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

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

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Though the planets are always “aligned ... will begin to reveal these ice giants at the edge of the solar system as tiny disks. All seven worlds and the moon appear strung along a line ...

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

Through the end of February, all the planets in our solar system will visibly align in the sky, like a trope taken straight from fiction. Watch the 2024 Geminids meteor shower at Oakland’s ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...