NASA's Pioneer 11 spacecraft left the solar system! This was the second spacecraft to travel beyond the planetary part of our ...

The U.S. Space Force has unveiled a first-of-its-kind orbital photograph of the classified X-37B space plane. Captured by the vehicles onboard camera, the image reveals one of its solar arrays and an ...

Stark residents will be able to view a total lunar eclipse March 13-14, but won't see the solar one a few weeks later.

A fierce solar storm in May 2024 did more than disrupt GPS — it created two new radiation belts. A revived CubeSat captured ...

The “NOM4D” project will undoubtedly be a boon for the nascent private space sector, but it could also have real strategic ...

Rocket Lab launched a high-resolution Earth-imaging satellite toward low Earth orbit this evening (Feb. 18). An Electron ...

Imagine a field of solar panels floating silently in the endless day of Earth’s orbit. Unlike their terrestrial cousins, this ...

ESA's Solar Orbiter captured a "tube of cooler atmospheric gases snaking its way through the Sun’s magnetic field," according ...

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...