Two new proposed NASA Earth science missions will attempt to address key research topics while leveraging both commercial and ...

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope, reside in low Earth orbit, or LEO, which tops out at about 1,200 miles (2 ...

A recent SpaceNews opinion article argued that it is time to “take astronomy off Earth.” The suggestion is straightforward: If satellite constellations and commercial space activity threaten ...

Artemis II’s journey around the moon, scheduled to conclude on Friday, has delivered stunning new images of our home world ...

D. JAMES BAKER, Co-Chair, is the director of the Global Carbon Measurement Program of the William J. Clinton Foundation, where he currently focuses on the use of forestry programs to reduce carbon ...

Christina Koch made history this week, becoming the first woman to travel around the moon. The NASA astronaut’s lunar flyby ...

The Interstellar Mapping and Acceleration Probe, a Princeton-led NASA mission to study the Sun and everything it touches, has officially begun its science mission. Princeton marked the occasion with a ...

Far away on desolate Mars, a set of dust and rock samples awaits a ride that might never come. After years in limbo, NASA’s groundbreaking Mars Sample Return (MSR) programme, which was supposed to ...

Space debris—the thousands of pieces of human-made objects abandoned in Earth's orbit—poses a risk to humans when it falls to the ground. To locate possible crash sites, a Johns Hopkins University ...

Look up on a clear night and you'll see the streaks of our new space age. What you don't see is the growing fallout for the atmosphere that keeps us alive. A wave of satellite launches and reentries ...