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astronomy

astrophysics

Black Hole Image Reveals the Beast Inside the Milky Way’s Heart

By Jonathan O'Callaghan
May 12, 2022
Read Later

In 2019, the Event Horizon Telescope released a historic image of a supermassive black hole in another galaxy. The follow-up — an image of Sagittarius A* — shows it shimmering at the center of our own.

planetary science

Secrets of the Moon’s Permanent Shadows Are Coming to Light

By Jonathan O'Callaghan
April 28, 2022
Read Later

Robots are about to venture into the sunless depths of lunar craters to investigate ancient water ice trapped there, while remote studies find hints about how water arrives on rocky worlds.

A grid of 66 galaxies.
astrophysics

Tiny Galaxies Reveal Secrets of Supermassive Black Holes

By Charlie Wood
March 14, 2022
Read Later

Dwarf galaxies weren’t supposed to have big black holes. Their surprise discovery has revealed clues about how the universe’s biggest black holes could have formed.

astronomy

Four Years On, New Experiment Sees No Sign of ‘Cosmic Dawn’

By Ben Brubaker
February 28, 2022
Read Later

When astronomers tried to confirm a signal from the birth of the first stars after the Big Bang, they saw nothing.

2021 in Review

The Year in Physics

By Michael Moyer
December 22, 2021
Read Later

Puzzling particles, quirky (and controversial) quantum computers, and one of the most ambitious science experiments in history marked the year’s milestones.

cosmology

Cosmologists Parry Attacks on the Vaunted Cosmological Principle

By Charlie Wood
December 13, 2021
Read Later

A central pillar of cosmology — the universe is the same everywhere and in all directions — is surviving a storm of possible evidence against it.

Collage illustration of the JWST
astrophysics

The Webb Space Telescope Will Rewrite Cosmic History. If It Works.

By Natalie Wolchover
December 3, 2021
Read Later

The James Webb Space Telescope has the potential to rewrite the history of the cosmos and reshape humanity’s position within it. But first, a lot of things have to work just right.

Q&A

The Astronomer Who’s About to See the Skies of Other Earths

By Thomas Lewton
October 12, 2021
Read Later

After the ultra-powerful James Webb Space Telescope launches later this year, Laura Kreidberg will lead two efforts to check the weather on rocky planets orbiting other stars.

A dark red planetlike object.
explainers

Neither Star nor Planet: A Strange Brown Dwarf Puzzles Astronomers

By Jonathan O'Callaghan
August 4, 2021
Read Later

Brown dwarfs such as “The Accident” are illuminating the murky borderlands that separate planets from stars.


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