A car-sized asteroid is heading toward Earth for a flyby later tonight: Here’s what you need to know

The asteroid will make a close approach to Earth just three days following its discovery.

NASA’s ‘1st nuclear powered interplanetary spacecraft’ will send Skyfall helicopters to Mars in 2028

NASA plans to launch its first nuclear-powered interplanetary spacecraft in 2028, a probe called Space Reactor-1 Freedom that will carry a fleet of tiny helicopters to Mars.

Future Artemis missions could use fiber-optic cables to monitor moonquakes

Fiber-optic cables on the moon could detect moonquakes, offering a simpler way to study lunar activity and support future Artemis missions.

Hubble revisits the Crab Nebula after 25 years | Space photo of the day for March 24, 2026

NASA has released new Hubble telescope images of the Crab Nebula taken 25 years after the iconic observatory first gazed at the colorful cosmic crustacean.

Scientists find 2 ‘failed stars’ that may have a second chance to shine bright — by getting together

“Failed star” brown dwarfs may get a second chance to shine by colliding and merging to birth a new star.

Triangulum Galaxy dazzles in psychedelic color | Space photo of the day for March 23, 2026

Astronomers captured a colorful new portrait of the Triangulum Galaxy, revealing complex clouds of gas in between the galaxy’s 40 billion stars.

Are mysterious ‘Little Red Dots’ discovered by the James Webb Space Telescope actually baby galaxies under construction?

What if the mysterious ‘Little Red Dots’ aren’t baby black holes, but rather globular clusters in their messy, glorious formation?

Could our universe exist because black holes ate up all the antimatter?

Did primordial black holes born during the Big Bang swallow the universe’s antimatter, allowing matter to dominate the cosmos?

What if the next great astronomer isn’t human? How AI is revolutionizing our study of the cosmos

We’re just scratching the surface of what the innovative collaboration between human astronomers and AI can unlock.

The loneliest places in the universe might actually be some of the best places for life

Extreme exomoons with tidal heating and thick, hydrogen-rich atmospheres may be able to create billions of years of potentially habitable surface conditions.