Arecibo Observatory's Greatest Triumphs

The First Radar Maps of Venus

In 1981, Arecibo provided the first radar maps of Venus—a planet perpetually covered in clouds. The dish would provide even more detail of Venus in the following years.

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Sleep-Tracking Earbuds Didn’t Fix Me, but They Did Open My Eyes

NextSense's EEG-equipped wireless earbuds are an intriguing idea, but I'm not sure if sleep-tracking can save me from constant tiredness.

Accessories & Wearables James Pero Apr 22

NASA’s Curiosity Rover Discovers ‘Origin-of-Life’ Molecules Never Before Seen on Mars

New findings provide even more evidence to suggest Mars wasn't always a lifeless red desert.

Space & Spaceflight Ellyn Lapointe Apr 21

Watch a Comet Get Torn Apart by the Sun and Become a Headless Ghost

Comet MAPS (C/2026 A1) didn't survive its close encounter with the Sun, ruining its chances of brightening up the night skies.

Space & Spaceflight Passant Rabie Apr 10

Perseids Radiant Credit Preston Dyches Cc By Nc 2 0

Scientist Spots New Meteor Shower Linked to a Disintegrating Asteroid

Astronomer Patrick M. Shober found a new meteor shower—and it comes from an asteroid getting broken down by the Sun.

Space & Spaceflight Patrick M. Shober, The Conversation Apr 10

The artistic rendering shows the center of the galaxy Markarian 501, from which two powerful jets emanate. The supermassive black hole at the centre, whose existence was already known, partially bends the light from the jet behind it into a so-called Einstein ring.

Unprecedented Observation Reveals 2 Supermassive Black Holes Locked in a Tight Death Spiral

New research describes an unexpected double jet in a distant galaxy, revealing a pair of supermassive black holes on the verge of colliding.

Space & Spaceflight Passant Rabie Apr 7

Asteroid Ryugu Contains All 5 DNA and RNA Building Blocks, Study Shows

A new study adds to a growing body of evidence that suggests asteroid impacts played a critical role in the emergence of life on our planet.

Space & Spaceflight Ellyn Lapointe Mar 16