On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

Is it a bird? Is it a plane? No, it's super Neptune! But this Superman-mimicking planet is not blasting through space on its own. It is being dragged along by its parent star.

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

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

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.

This is the last time the seven planets will appear together in the night sky until 2040. Here's when it's happening – and ...

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

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

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

Here are some of this month’s highlights. As we discussed last month, late January and early February will provide a stage for a Planet Parade, with six planets lining up in the night sky.

If you draw a line through the barycenter to connect ... of the orbit and determine its perihelion as well." All solar system planets have fairly circular orbits with relatively minuscule ...