Here's what it would take to see a black hole's photon ring

Supermassive black holes are elusive creatures. Massive gravitational beasts that can power immensely bright quasars, or can lurk quietly among the bright stars of a galactic core. We mostly study them indirectly through ...

Juice: Why's it taking so long?

At their closest point in orbit, Earth and Jupiter are separated by almost 600 million kilometers. At the time of writing, five months after launch, Juice has already traveled 370 million kilometers, yet in time it's only ...

NASA's New Horizons mission still threatened

The New Horizons spacecraft that studied Pluto and Kuiper belt object Arrokoth continues its pioneering exploration of the Kuiper belt. However, that might soon end if NASA doesn't change course. The New Horizons science ...

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