Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

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

Astronomers have announced that the James Webb Space Telescope has successfully captured its first direct images of carbon dioxide gas on a planet beyond our solar system. The findings are both a ...

The stars may not be aligning on Friday night, but seven planets in our solar system just may be. For weeks, outer space enthusiasts have been gearing up for a planetary alignment, or "planetary ...

Seven planets aligned in the night sky on Friday, Feb. 28, viewable from Earth. A similar planetary alignment with six planets will occur on Aug. 29. The planets appear to align from Earth's ...

Beginning in late February, seven planets will align in the night sky. But Uranus and Neptune may require a telescope to see. Mars SKY AT Viewed from above the solar system, the seven planets will ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...