ASTRONOMY

What part of a space rock survives all the way to the ground?

ASTRONOMY
When a small asteroid enters Earth's atmosphere from space, its surface is brutally heated, causing melting and fragmenting. Therefore, why the rocks near the...

NASA’s Fermi telescope confirms star wreck as source of extreme cosmic particles

ASTRONOMY
Astronomers have long sought the launch sites for some of the highest-energy protons in our galaxy. Now a study using 12 years of data...

Rocket launch to image supernova remnant

ASTRONOMY
A Northwestern University astrophysics team is aiming for the stars—well, a dead star, that is. On Aug. 21, the NASA-funded team will launch its "Micro-X"...

Meteorite provides record of asteroids ‘spitting out’ pebbles

ASTRONOMY
In 2019, NASA's OSIRIS-REx spacecraft sent back images of a geological phenomenon no one had ever seen before: pebbles were flying off the surface...

Subsurface water on Mars defy expectations: Physics connects seismic data to properties of rocks and sediments

ASTRONOMY
A new analysis of seismic data from NASA's Mars InSight mission has revealed a couple of surprises. The first surprise: the top 300 meters of...

The future of NASA’s laser communications

ASTRONOMY
NASA uses lasers to send information to and from Earth, employing invisible beams to traverse the skies, sending terabytes of data—pictures and videos—to increase...

Jupiter missions could also help search for dark matter

ASTRONOMY
In a recent study published in the Journal of High Energy Physics, two researchers from Brown University demonstrated how data from past missions to...

Meteors seem to be raining down on New Zealand, but why are some bright green?

ASTRONOMY
New Zealand may seem to be under meteor bombardment at the moment. After a huge meteor exploded above the sea near Wellington on July...

The final frontier? Just a slice of Spanish sausage

ASTRONOMY
A red ball of spicy fire with luminous patches glowing menacingly against a black background. This, prominent French scientist Etienne Klein declared, was the latest...

South Korean spacecraft launched to the moon, country’s 1st

ASTRONOMY
South Korea joined the stampede to the moon Thursday with the launch of a lunar orbiter that will scout out future landing spots. The satellite...

10 years since landing, NASA’s Curiosity Mars rover still has drive

ASTRONOMY
Despite signs of wear, the intrepid spacecraft is about to start an exciting new chapter of its mission as it climbs a Martian mountain. Ten...

The length of Earth’s days has been mysteriously increasing, and scientists don’t know why

ASTRONOMY
Atomic clocks, combined with precise astronomical measurements, have revealed that the length of a day is suddenly getting longer, and scientists don't know why. This...
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