OSIRIS-REx Did One Last Close Flyby of Asteroid Bennu. It’s Almost Time to Come Home

3 years ago

After more than two years in orbit around asteroid Bennu, NASA's OSIRIS-REx spacecraft is ready to come home. It's bringing…

How’s the Weather in Jezero Crater? According to Perseverance: Cold

3 years ago

The Perseverance rover just provided its first Martian weather report (it was cold!), which could help inform future missions involving…

Primordial Asteroids That Never Suffered Massive Collisions all Seem to be Larger Than 100 km. Why?

3 years ago

The early asteroids had a similar size, and this could be due to turbulence in the early solar system.

What Would Raindrops be Like on Other Worlds?

3 years ago

Precipitation is much more widespread throughout that solar system than commonly assumed.  Obviously it rains water on Earth.  But it…

Jupiter Could Make an Ideal Dark Matter Detector

3 years ago

So, you want to find dark matter, but you don't know where to look? A giant planet might be exactly…

Perseverance Takes a Selfie With Ingenuity. It’s Almost Time to fly

3 years ago

Perseverance is having a proud parent moment in this image, looking like it’s waiting with a child at the bus…

What are the Best Ways to Search for Technosignatures?

3 years ago

The search for extraterrestrial intelligence (SETI) has long roots in human history.  With the advent of modern technologies, scientists were…

An Intermediate-Mass Black Hole Discovered Through the Gravitational Lensing of a Gamma-ray Burst

3 years ago

An intermediate mass black hole was discovered by its chance alignment with a gamma ray burst.

Perseverance Captured This Image of a “Rainbow” on Mars, but it’s just a Lens Flare in the Rover’s Camera

3 years ago

Did the Perseverance rover capture a rainbow on Mars? This image, from the rover’s left rear Hazard Camera, sure looks…

Mars Helicopter Survives its First Night on Mars is Getting Ready to Fly

3 years ago

NASA's Ingenuity Helicopter survived its first night on the Martian surface and is preparing for its first test flight.