Launch is scheduled for 1:43 p.m. EDT on May 27, 2021. It'll bring OneWeb’s fleet to 218, 2nd-largest global internet network in Earth orbit after Starlink.
New images - visible light, infrared and ultraviolet - from the Gemini North telescope and the Hubble Space Telescope reveal Jupiter's atmosphere and storms in stunning detail.
In recent years, earthly observers couldn't see Saturn's southern hemisphere. It was largely hidden behind Saturn's rings. In 2021, Saturn's rings and north pole reached their maximum tilt toward Earth, and now the southern hemisphere is coming back into view ... colored blue.
The Discovery Channel announced on May 18, 2021, that it's launching a new reality show competition called "Who Wants to Be an Astronaut?" It aims to send one ordinary person to the International Space Station for an 8-day stay.
The Lunar Crater Radio Telescope is now moving into Phase 2 of development. It'll be built by robots, into a natural bowl-shaped crater on the moon's far side. If completed, it'll be the largest radio telescope in the solar system.
A podcast featuring Harvard theoretical physicist Avi Loeb, on the subject of whether 'Oumuamua - the strange object that swept through our solar system in 2017 - is an artifact of an alien intelligence.
Now 8 years into its travels in the deep reaches of space between the stars, Voyager 1 has detected a faint, low-level hum. It stems from the vibration of the plasma, or ionized gas, in interstellar space.