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NASA’s Michelle Thaller explains what happens when the densest stars in the galaxy collide.

MIT Scientist Jason Soderblom describes how the NASA mission will study the geology and composition of the surface of Jupiter’s water-rich moon and assess its astrobiological potential.

The asteroid is expected to come within 140,000 miles of Earth — well inside the moon’s orbit.

Fifteen human space oddities.

The first tests of optical communications far from Earth will take place aboard the asteroid-bound Psyche spacecraft

If the past is any guide, things are going to take off quickly.

This research team is working out how to detect extraterrestrial cells in the liquid water ocean hidden beneath Enceladus’s icy crust.

There’s an old saying that “what you see is what you get.” When it comes to the Universe, however, there’s often more to the full story.

The existence of another watery world in the outer solar system may offer clues to how such seas form — and hope for another spot to search for life.

“The physics of the universe doesn’t predict the emergence of biology.” Glasgow chemist Lee Cronin explains how inanimate matter becomes evolutionary:

Experts answer 10 big questions about the nightmare scenario that could send us back to the pre-Space Age.

Well-preserved ancient plants and other finds at the Clarkia fossil beds hint at what kind of evidence any Martian life may have left behind.

Sophisticated rovers have found the conditions for Martian life, as well as the building blocks of life, but never life itself. AI can help.

Meanwhile meteorite hunters rushed to Berlin to find this most rare space rock.

NASA has finally chosen which flagship mission, like Hubble and JWST, will launch in ~2040. Detecting alien life is now a reachable goal.

Thanks to the Coriolis force, hurricanes never cross the equator.

See the 3 biggest space stories from October 16-22, 2023.

In December 1968, human beings made their first-ever journey to the Moon aboard Apollo 8. Their most important discovery? Planet Earth.

We can all sleep a little more soundly.

Northern lights in the American South, clusters of huge geomagnetic storms—the Sun is throwing a tantrum right on schedule.

This beautiful JWST image of Wolf-Rayet star WR 124 has been called a “prelude to a supernova” by NASA. That might be entirely wrong.

Recent controversies bode ill for the effort to detect life on other planets by analyzing the gases in their atmospheres.

It is humanity’s biggest step yet into the Solar System.

Physicists have increasingly begun to view life as information-processing “states of matter” that require special consideration.

Scientists have created a magnificent portrait of every connection among neurons in a fruit fly’s brain.

Freethink’s weekly countdown of the biggest space news, featuring a stranded space factory, Jeff Bezos’ new moon lander, and more.

Physicists recently created Coordinated Lunar Time, a time zone for our Moon.

There are 40 billion billion black holes in the universe. Here’s how our Solar System stacks up against ten of them.

This first-of-its-kind image offers a detailed look at the magnetic fields within the Central Molecular Zone.