
Rafael Alvarez
Rafael covers astronomy, physics, and the instruments that make discovery possible. He has reported from observatories on four continents.
Latest by Rafael
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A telescope just captured the birth of a solar system
The sharpest image yet of a protoplanetary disk taking shape around a young star.

Astronomers have found the most distant known object
Light from the newly catalogued galaxy left it 300 million years after the Big Bang.

Black holes at the centre of everything
Every large galaxy appears to have one. The question is no longer whether they exist — it's what they're doing to the galaxies around them.

The James Webb telescope — one year of impossible images
What a year of data from the most powerful observatory ever built has done to our picture of the universe.

The telescope that keeps finding galaxies too old to exist
Every new deep field pushes the first galaxies earlier — and forces cosmologists to ask whether the standard model of the universe is missing something fundamental.
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