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This artist’s impression video shows how two tiny but very dense neutron stars merge and explode as a kilonova. Credit: European Southern Observatory (ESO).

Yes, an exploding star close to Earth would make for a very bad day

NASA astronaut Bruce McCandless free-floating in space as he tested a device outside the International Space Station. Credit: NASA

Human Spaceflight, Robotic Spaceflight, Science, Space Exploration

NASA is taking astronaut applications. Here’s how to apply

A page from the Dresden Codex.

Solar eclipse warnings persist, from ancient Maya to today

Science, Solar System

How much would I weigh on other planets?

A screenshot of the Nov. 10 1919 issue of the New York Times. The eclipse news was on page 17. Credit: NY Times

21 most famous eclipses from 3340 B.C. to the modern day

During the 2017 total solar eclipse, the Sun’s corona, only visible during the total eclipse, is shown as a crown of white flares from the surface.

2024 Solar Eclipse, Observing, Science, The Moon, The Sun, Upcoming Events

A hidden part of the Sun will appear during Monday’s total eclipse for those in the right spot

Human Spaceflight, Space Exploration

It’s hard to grow food in space. These sensors can help.

Only during totality is the stunning corona of the Sun visible, such as during the total solar eclipse of March 29, 2006, pictured here. You must be in the path of totality to see this unearthly sight, so plan accordingly.

2024 Solar Eclipse

A guide to the 2024 eclipse from Astronomy magazine

Mariner 10.

Robotic Spaceflight, Space Exploration

Mariner 10, a mission of firsts, used gravity to bend its way from Venus to Mercury

Total solar eclipse

2024 Solar Eclipse

Celestron partners with Astronomy for major eclipse event

Comet Pons-Brooks in outburst in October

Solar System, Upcoming Events

The ‘Devil Comet’ is headed our way — and that’s OK

The most distant quasars are roughly 13 billion light-years from Earth. Credit: NASA, ESA, CSA, Joseph Olmsted (STScI)

Astronomers map 1.3 million supermassive black holes