The Solar Orbiter's Extreme Ultraviolet Imager (EUI) instrument captured imagery of the sun over the last few years. The ...

2025 — The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3He) emitted from the Sun. A Southwest Research Institute-led team of scientists ...

or years before finally breaking free again into solar orbit. Until recently, these objects were thought to be very rare. The first clearly established minimoon of possible lunar origin ...

Apr. 9, 2025 — The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3He) emitted from the Sun. A Southwest Research ... Existing International ...

ESA’s Proba-3 mission pulled off the first-ever artificial eclipse in space using fully automated spacecraft formation flying ...

In 1600, Johannes Kepler entered into a bet with a Danish astronomer that he could calculate a formula for the solar orbit of Mars in eight days. In the end it took him five years, but the work ...

Launched in 1972 by the Soviet Union, the spacecraft known as Kosmos 482 was part of a series of missions bound for Venus.

After initial positioning by ground control, the satellite duo’s autonomous system of cameras, LEDs, and laser rangefinders ...

Earth's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research.