Legendary astronaut James “Jim” Lovell, whose steady command during the harrowing Apollo 13 mission captivated the world, died Friday in Lake Forest, Illinois. He was 97. A veteran of four ...

During its initial molten phase, the Moon experienced tidal bulges on its near and far sides due to Earth's immense gravitational pull. The Moon's rotation initially carried these gravitationally ...

Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

Early understanding of the Milky Way's shape was limited by our internal perspective, initially assuming a typical spiral structure. In 2005, the GLIMPSE survey, utilizing data from the Spitzer Space ...

All Apollo lunar modules, except for Apollo 10's "Snoopy," either impacted the lunar surface or disintegrated in Earth's atmosphere. Apollo 10's lunar module, "Snoopy," was jettisoned and intended to ...

Reanalysis of data from the Cassini-Huygens mission, initially suggesting a global subsurface liquid water ocean on Saturn's moon Titan, now indicates the presence of a large, slushy region beneath ...

Bennu is a roughly 0.3-mile-wide (500 meters) asteroid that orbits in near-Earth space. Scientists suspect it’s a chunk of a larger asteroid that broke off due to a collision farther out. Telescope ...

NASA has released a 3D animation depicting the exterior of the upcoming Gateway space station, a lunar orbiting outpost designed to facilitate extended space missions. Scheduled for launch in 2025, ...

Asteroid 2019 LF6, a newly discovered Atira asteroid, has an orbit entirely contained within Earth's orbit, a characteristic of this rare class of near-Earth objects. The discovery of 2019 LF6 is ...

Mariner 1 and 2, twin spacecraft developed from the Ranger lunar probe and equipped with seven instruments, were designed for a joint mission to Venus; however, Mariner 1 failed minutes after its July ...

On November 17, the Leonid meteor shower is forecast for the early morning, with its radiant in Leo rising to over 50° by 4 A.M. local time, offering observations of fast-moving, bright meteors with ...

When it comes to appearances, the universe is a tricky place. Visible light occupies merely a sliver of the electromagnetic (EM) spectrum. To study the cosmos in its entirety, scientists must peer ...