The more fuel a spacecraft carries, the heavier it becomes, forcing engineers into a delicate balance between thrust and payload.

Researchers analyzed nearly half a million nearby star systems to understand how giant planets fare as their stars expand into red giants.

Inside the American Museum of Natural History's glass cube, the Frederick Phineas and Sandra Priest Rose Center for Earth and ...

The ESCAPADE mission, short for Escape and Plasma Acceleration and Dynamics Explorers, is the first dual-satellite mission to ...

The Space Race, a fascinating era of the 20th century, captivated the world with its heroic goals and technological feats.

A NASA mission will send twin spacecraft to Mars to learn what happened to the Red Planet's ancient, thick atmosphere.

The Shenzhou 20 crew is led by commander Chen Dong, a veteran astronaut and former Chinese fighter pilot on his third trip to space. Two spaceflight rookies, Chen Zhongrui and Wang Jie, are also ...

The ISS has cost an estimated $150 billion to build and operate, with NASA spending around $3 billion annually to keep it ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

Mars is about to receive a double dose of attention. This weekend, a pair of identical NASA satellites will launch together ...

In the 1970s, physicist Gerard K. O’Neill proposed a radical vision for humanity’s future — vast rotating space habitats that ...

China's space station suffers a massive debris strike, crippling communications and isolating its crew in orbit. China delays ...