The death of our solar system (due in less than five billion years) is seen acting out in another solar system

If you are still around in five billion years (spoiler alert, you won’t be), you will witness our Sun expand into a massive red giant star, swallowing Mercury, Venus…


Radio signals from the center of the Milky Way don’t seem to act like anything astronomers have ever seen before - so, what is it?

Astronomers participating in the ASKAP survey have spotted a unusual radio signal coming from the direction of the center of the Milky Way. …


The Challenge — an upcoming Russian space film, is set to be the first ever shot away from the confines of Earth.

On 5 October, engines lit beneath a mighty rocket, lifting the first-ever professional film crew into orbit. …


Iron rain on WASP-76b is weird, and new studies show this massive, incendiary world is even weirder than we thought.

Somewhere around 640 light years from Earth, a massive world 90 percent as large as Jupiter races around its parent star, an astronomical hairsbreadth from the stellar furnace.

Discovered in…


Testing DART planetary defense systems which could save Earth from an incoming asteroid, because… dinosaurs.

For 165 million years, dinosaurs ruled the Earth — 660 times longer than the amount of time which has elapsed since the birth of the world’s first true human being. …


BepiColombo passes Mercury on its way to explore… Mercury. Here’s what’s happening!

On 1 October, racing just 200 kilometers (125 miles) above the surface of Mercury, the BepiColombo spacecraft paid its first visit to the innermost planet in our solar system.

This is the third major mission to Mercury, following…


A triple-star system seen in the constellation Orion may be home to a rare type of exoplanet…

Orion is one of the most-recognizable constellations in the skies of the northern hemisphere. …


The night sky in October is marked by Mercury, Venus, and a pair of meteor showers — and did we mention Astronomy Day?

This October, amateur astronomers will delight in fabulous views of Mercury and Venus, along with a pair of meteor showers.

Throughout the month, skygazers will see Venus…


An Einstein ring seen by Hubble offers a glimpse into an ancient era of peak star formation

Just as light can be bent by a lens, light paths are similarly affected by massive gravitational fields. …


The loss of water from Mars is a massive issue — or, rather, an issue of a lack of mass.

Billions of years ago, Mars was a watery world, more akin to Earth than the desert planet we see today. The Red Planet — just half the diameter of Earth…

James Maynard

Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more: www.thecosmiccompanion.net

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