Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks ...

A satellite long thought dormant has suddenly released a powerful radio burst that, for a fleeting moment, outshone all other sources in the sky—then vanished as suddenly as it appeared. Tracing ...

Dead NASA orbiter surprisingly emits powerful radio pulse By Ariana Garcia , Assistant News Editor June 20, 2025 An impression of NASA's Relay 2 satellite, which launched in 1964.

NASA launches probe on historic mission to study the sun 02:38. A spacecraft from the European Space Agency has captured new video of the sun's surface, showing plasma swirling on the star's ...

What methods can be used to identify subsurface oceans on the five largest moons of Uranus: Ariel, Umbriel, Titania and ...

The robotic Solar Orbiter spacecraft has obtained the first images ever taken of our sun's two poles as scientists seek a deeper understanding of Earth's host star, including its magnetic field, its ...

The new Solar Orbiter, a joint mission between the European Space Agency and NASA, hopes to reveal some of the Sun’s secrets, but first, it has to actually get there.

WATCH: De-Graft tells you all you need to know about the Solar Orbiter (from February 2020) The nearest it got to the Sun was at a distance of 43 million km (26.7 million miles) away.

Solar Orbiter is designed to withstand a distance of just 0.27 AU from the Sun’s surface (almost three-quarters of the total distance from Earth to the Sun), where temperatures reach 1,000 ...