In 1878, Williamina Fleming immigrated to Boston from Scotland with her husband – but he abandoned her shortly after they arrived. Pregnant with their child, she began working as a maid in the house ...

Saturn dominates the predawn sky, while Mars is rising earlier each day. The Red Planet is still a bit challenging — can you ...

Now in Cancer, the Moon is not far from M44, the Beehive Cluster. Check out this lovely open cluster with binoculars or a ...

The Moon sits between bright Venus and Jupiter in the evening sky, tracing out the plane of the ecliptic for all to see.

The SMILE spacecraft turns toward Earth's magnetic shield as the solar wind streams in from the Sun (left), in this artist's impression. Once on orbit, the joint ESA-Chinese Acade ...

The contest features eight categories, prizes worth nearly $5,000, and a no-equipment-required entry path; submissions close June 22, 2026 ...

On May 19, 1939, Francis “Dick” Scobee was born in Washington State. Scobee joined the Air Force at age 18, taking night courses to earn a bachelor’s degree in aerospace engineering and getting an ...

Nicknamed the “Mother of Hubble,” Nancy Grace Roman spent years pushing for the use of the newest technology to better ...

Now 15th magnitude, the comet is well-positioned for observation late overnight and into the early-morning hours.

Following the roaring success of NASA’s Artemis 2 mission, the space agency is devising plans for a final test flight before attempting to land the first humans on the Moon in decades, as soon as 2028 ...

The Moon is now just over two days old, a sliver of its eastern limb lit by the Sun as sunrise slowly crawls across the nearside. Catch the delicate crescent this evening, when it stands just 2° from ...

SpaceX has officially revealed its target for Starship Flight 12 to NET Tuesday, May 19. This mission was included in this week’s article based on earlier reporting that indicated a May 15 target date ...