The US Approves the Launch of a Mirror Satellite That Can Reflect Sunlight and Illuminate the Earth at Night

The FCC authorized Reflect Orbital to launch the mirror satellite Eärendil-1. “For optical astronomy, this poses an existential threat,” the European Southern Observatory said.

The US Approves Launch of Mirror Satellite That Can Reflect Sunlight and Illuminate the Earth at Night

The FCC authorized Reflect Orbital to launch the mirror satellite Eärendil-1. “For optical astronomy, this poses an existential threat,” the European Southern Observatory said.

China’s Tianwen-2 Space Probe Has Rendezvoused With Earth’s Quasi-Moon

The probe sent back the first pictures of the asteroid Kamo’oalewa. Next step: landing on the surface and collecting samples to send back to Earth.

Mysterious Compound Detected on Pluto and Titan

Something on Pluto and one of Saturn’s moons, Titan, absorbs light in a way unexplained by anything in spectroscopic databases.

British Space Startup Launches Longevity Lab Into Orbit

The lab will beam back data to train AI models to predict how proteins behind age-related diseases like Alzheimer’s and certain cancers behave.

Good News! Turns Out the Earth Will Never Be Swallowed by the Sun

A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its fiery demise.

What if the Universe Isn’t as Uniform as Scientists Think?

A study based on 47 million galaxies found that the cosmic web retains patterns on enormous scales, which could force a reevaluation of a pillar of cosmology.

This Is the Most Detailed Image Yet of the Milky Way’s Center

The Euclid space telescope’s stunning photo of our galaxy’s “crowded heart” captures more than 60 million stars.

How to See the Giant Asteroid That Will Pass by Earth This Weekend

The asteroid will be visible for several nights from different parts of the world. We’ll tell you when and where to look, and what equipment you’ll need to spot it.

A Source of Mysterious Repeating Radio Signals From Space Has Been Identified

Researchers say the discovery could be a “Rosetta stone” for cosmic signals.