M3.4 solar flare erupts from AR 4100, Earth-directed CMEs possible in coming days

A Type II Radio Emission with an estimated velocity of 538 km/s was detected at 06:13…

[release] Newly developed airborne terahertz antenna subsystem successfully delivered high-speed data between a flying aircraft and a ground test station (Japanese Only)

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45 Years Ago: NASA Announces Ninth Astronaut Group

Sixteen of 19 astronaut candidates named on May 29, 1980, and two European trainees as payload…

Very bright fireball illuminates night sky over Guangdong, China

A very bright meteor streaked across the night sky over southern China on May 28, 2025,…

Amazing images reveal new details in the sun’s atmosphere

Astronomers have revealed new processes taking place in our sun’s atmosphere, thanks to exquisite new images…

Will SpaceX’s Starship rocket ever work – and what if it doesn’t?

Starship’s ninth test flight took place on 27 May Joe Marino/UPI/Shutterstock Another launch, another failure? With…

Tantalizing dark streaks on Mars are bone-dry, study says

View larger. | Dark and lighter-colored streaks on a crater rim on Mars. They’ve tantalized researchers…

Negative polarity CH HSS triggers G3 – Strong geomagnetic storm

Geomagnetic K-index of 5 (G1 – Minor) threshold was reached at 01:22 UTC on May 29,…

Hubble Images Galaxies Near and Far

This NASA/ESA Hubble Space Telescope image features the remote galaxy HerS 020941.1+001557, which appears as a…

ESA – Estrack – Half a century of European satellite tracking

2025 marks a landmark year for Europe’s ‘bridge between Earth and space’. The European Space Agency’s…