Known as planetary alignment, this rare event lets sky-gazers see six planets, including Neptune and Uranus, with a telescope ...

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

So long as the weather cooperates, Saturn, Venus, Mars, Jupiter and the moon will be visible Sunday evening during an open house at the Indiana University Kokomo Observatory. The open house begins at ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Launched in 1990, the Hubble Space Telescope is a joint ESA/NASA project. It has become one of the most important science ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...

As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

Guam’s skies are absolutely magnificent. For instance, this month you can see seven of the 10 brightest stars and I’ll tell ...

The Hubble Space Telescope captured imagery of Jupiter and its Great Red Spot in 2023 and 2024. Credit: NASA, ESA, J.