An artist's conception shows the integrated design for the Blue Moon Mark 2 lander. (Blue Origin Illustration) NASA is reworking its Artemis moon program ...

The next planetary alignments will happen in 2026. Here are the dates: April 18, 2026: a small morning alignment of Saturn, Mars, Mercury and Neptune. May 12, 2026: a mini evening alignment of Mercury ...

A large planetary alignment will be visible after sunset. Learn which planets you can see and when the next alignments happen.

A small red ladybug rests gently on the tip of a plant, glowing under the warm light of sunset. The soft golden background ...

Robert Goddard's Massachusetts, coauthored by Lowell Observatory Historian Kevin Schindler and Charles Slatkin, to be released March 3. FLAGSTAFF, Ariz., Feb. 26, 2026 /PRNewswire/ -- A century after ...

Scientists have long know many objects floating at the solar system's out edges resemble snowmen, but the reasons why were ...

Engineers at NASA's Jet Propulsion Laboratory have been gazing at signals that left the solar system before many of today's graduate students were even born ...

The next planetary alignments will happen in 2026. Here are the dates: April 18, 2026: a small morning alignment of Saturn, ...

Pluto may no longer be classified as a planet, but in Flagstaff, its legacy still shines. Scientists, artists and community members gathered at the Orpheum Theater on Feb. 14 to ...

What is a planetary retrograde? And what connection does it have to astrology? We explain how planets move across the sky.

A new paper in Monthly Notices of the Royal Astronomical Society argues the simplest answer may work: contact binaries like ...