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An artistic conception of Gliese 12 b, shows the exoplanet in the foreground at right while the red dwarf star glows brightly in the distance at left.

Exoplanets, Science

Astronomers discover Gliese 12 b, a potentially habitable exoplanet

Objects like Arrokoth could preserve ‘primitive ices’ from the birth of our solar system

This image from 2013 shows the bright light of a solar flare on the left side of the sun and an eruption of solar material shooting through the sun’s atmosphere, called a prominence eruption. Credit: NASA/Goddard/SDO.

The Sun’s magnetic field is generated surprisingly close to its surface, new study suggests

This is an artistic impression of record-breaking quasar J059-4351. It's the bright core of a distant galaxy that is powered by a supermassive black hole like the one studied in this new research. Credit: ESO/M. Kornmesser

Exotic Objects, Science

In a cosmic breakthrough, astronomers measure a supermassive black hole’s spin

There isn’t a scale large enough to weigh galaxies like NGC 7714. ESA, NASA; Acknowledgement: A. Gal-Yam (Weizmann Institute of Science)

Ask Astro: How do scientists weigh planets and other celestial objects?

An Apollo 15 image of Lambert Crater with Mons Undset to its west (right, where we've added a circle) casting a pyramidal shadow. Mons Undset was named for novelist Sigrid Undset. Credit: NASA

The mystery of a pyramid-like mountain on the Moon missing its name

A visualization of the Milky Way galaxy spotlights the two newfound streams of ancient stars, Shiva (green) and Shakti (pink). Credit: S. Payne-Wardenaar/K. Malhan/MPIA

Milky Way, Science

Ancient star streams, named Shiva and Shakti, may be Milky Way’s earliest building blocks

Spectacular meteor lights up the skies over Portugal and Spain

Exoplanets, Science

New exoplanet discovered in habitable zone of a multi-star system

Barry Sawchuk stands next to some of the space debris he found on his farm. Credit: Twitter/Gillian Massie/980 CJME.

Robotic Spaceflight

‘It ain’t no garbage.’ Canadian farmer finds chunks of space debris in a remote part of Saskatchewan

JWST discovers black holes merging near the dawn of the cosmos

An artist’s concept of the exoplanet SPECULOOS-3 b orbiting its red dwarf star. The planet is as big around as Earth, while its star is slightly bigger than Jupiter – but much more massive. Credit: NASA/JPL-Caltech

Found: An Earth-sized exoplanet named SPECULOOS-3 b