Helios-A and Helios-B (also known as Helios 1 and Helios 2), are a pair of probes launched into heliocentric orbit for the purpose of studying solar processes. A joint venture of the Federal Republic of Germany (West Germany) and NASA, the probes were launched from the John F. Kennedy Space Center at Cape Canaveral, Florida, on Dec. 10, 1974, and Jan. 15, 1976, respectively.
Latest from Copernical Team
- Artemis II's moon-bound astronauts capture Earth's brilliant blue beauty as they leave it behind
- Week in images: 30 March - 03 April 2026
- Artemis II astronauts rocket toward the moon after spending a day around Earth
- Earth from Space: Eyes on our Moon
- A pair of planet-forming discs
- The unseen challenges of life on the moon
- Artemis II to test new models that predict solar particle storms up to a day ahead
- Artemis astronauts await green light for lunar orbit
- Artemis II's moonbound toilet is working again to astronauts' relief after overnight fix
- How to follow the Smile launch live













