APOD: 2026 September 9 – Witness XZ Andromedae Wink
Explanation: Is this star winking at us? The central object in today’s animation is not one but two…
Interstellar comet 3I/ATLAS is bursting with methanol
Comet 3I/ATLAS is continuing to surprise astronomers. New observations from the Atacama Large Millimeter/submillimeter Array (ALMA), of which…
‘Keep pushing, never fear hardships,’ Hong Kong’s first astronaut tells students
Hong Kong’s first astronaut, Lai Ka-ying, will deliver a live lesson from space to students and teachers at…
Scientists Are Still Trying To Understand How the Moon Formed
The Giant Impact Hypothesis says that about 4.5 billion years ago, a Mars-sized world named Theia slammed into…
Astronomers detect ancient hydrogen signal that could help map the Universe
Astronomers have directly detected an extraordinarily faint radio signal from hydrogen gas billions of light-years away, demonstrating a…
From the Corps to the Cosmos, featuring Jaden Caradine
Jaden Caradine knew he wanted to be an engineer at eight years old. He just took a winding…
Astronomers detect ancient hydrogen signal that could help map the Universe
Astronomers have directly detected an extraordinarily faint radio signal from hydrogen gas billions of light-years away, demonstrating a…
NASA Calls for Proposals to Accelerate Lunar Surface Technologies
NASA is seeking proposals to advance the technology and infrastructure needed to explore the Moon and establish a…
Planetary shielding and surface precipitation of solar energetic particles during BepiColombo’s close Mercury flyby
Event overview During this flyby, Mercury’s distance from the Sun was 0.315 astronomical units (AU). Figure 1a shows…
On this day in space! Sept. 8, 2004: NASA’s Genesis solar wind spacecraft crashes in the Utah desert
On Sept. 8, 2004, NASA’s Genesis spacecraft crash-landed in Utah after its parachutes failed to deploy. Genesis was…
Icy Exocomets Around a Distant Star Help Explain Earth’s Water
Earth’s surface water puts the planet into its own, privileged category among the Solar System’s bodies. Nowhere else…
The Exploration Company nabs $450 million to challenge SpaceX
The queue to send objects into orbit is growing, but space infrastructure isn’t keeping up with demand. As…