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This artist’s impression shows two stages in the formation of a disc of gas and dust around the massive black hole at the centre of the galaxy SDSS1335+0728. The core of this galaxy lit up in 2019 and keeps brightening today — the first time we observe a massive black hole become active in real time. Credit: ESO/M. Kornmesser.

Exotic Objects, Science

A distant black hole reawakens, and astronomers watch it happen

Neil Armstrong was the first man on the Moon — but only a few pictures from the crew’s cameras show him on his historic moonwalk. In one of them (above), he is visible as a reflection in Buzz Aldrin’s helmet. Credit: NASA

Human Spaceflight, Science, Space Exploration

15 things kids should know about space travel

Starmus 2025 is set for La Palma.

Observing, Science, Upcoming Events

Starmus returns to the Canary Islands for ‘Starmus La Palma’ in April 2025

Astronaut David A. Wolf works outside the International Space Station (ISS) in 2002. Credit: NASA.

Human Spaceflight, Science

How do you keep astronauts healthy in space? It’s not easy.

TIC365102760 b, shown in this artist’s concept, is nicknamed Phoenix because of its ability to be very near a red giant star and yet survive the intense radiation. Credit: Roberto Molar Candanosa/Johns Hopkins University.

Exoplanets, Science, Uncategorized

Neptune-like planet ‘Phoenix’ baffles astronomers with its atmosphere

NGC 5264

Exotic Objects, Galaxies

Massive black holes may eat differently in small galaxies than in large ones

I captured the Eagle Nebula (M16) at the 2019 Texas Star Party using a borrowed SBIG STF-8300M and Baader 8nm Hα/OIII/SII filters on my Takahashi FSQ106N. Recognize those pillars at the center?

Astrophotography, Observing Basics

How to take Hubble-like photos: Filters and post-processing guide

Celestron has upgraded the Pro models in its line of SkyMaster Porro binoculars with ED glass lenses and larger prisms. This review covers the 20x80mm model.

Telescopes and Equipment

Celestron’s SkyMaster binoculars reviewed

Human Spaceflight

Space weather forecasting needs an upgrade to protect future Artemis astronauts

The constellations Corona Borealis, Hercules, and more

Observing, Stars, Upcoming Events

How to see T Coronae Borealis, the ‘brightest nova of the generation’

The Sun rises at Stonehenge.

Observing, The Sun

Will the Sun always shine through Stonehenge on the solstice?

Only two of the station stones are still there. Credit: Drone Explorer/Shutterstock.

A Stonehenge mystery could be solved this June