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

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

Astronomers used an array of telescopes to find the most massive radio jet in the early universe. The celestial object is ...

Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...

James Webb Space Telescope captures HH 30’s disc, revealing dust movement, jets, and planetary formation processes.

To better understand why the planets have variable compositions, we have to first understand the process of how stars form. While the composition of gas and dust in a precursor molecular cloud is ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

It is not just within our Solar System that planet alignments are useful. Astronomers use alignments to probe many different aspects of the Universe, and none more so than in the discovery and ...