The SWOT satellite tracks river width, height and slope, revealing seasonal changes and underwater topography.

Ripples in the fabric of space-time called gravitational waves may be the key to solving the Hubble tension — one of the biggest nagging problems in physics.

For the past two decades, scientists have wondered about a bright, distinct striped pattern seen in radio waves emanating ...

Sunlight glints off one of the solar panels of the SWOT satellite in this artist's concept. The antennas of the mission's key instrument ...

A mysterious striped signal from the Crab Pulsar may finally be explained by a delicate balance between plasma effects and ...

In a first, a space mission led by NASA and France has tracked Earth's rivers swelling and shrinking from month to month over the course of a year and found significantly less of a swing than previous ...

Nearly a quarter of Antarctica's coast-reaching glaciers are in retreat, shedding the equivalent of one Greater Los Angeles ...

A team of scientists has confirmed that the nearby star GJ 887 hosts at least four planets, one of which could be a habitable ...

New research from the University of Kansas untangles a decades-old astrophysical puzzle, showing how competing forces -- ...

The astronomical community has spent two decades wondering why the Crab Pulsar, the stellar remnant born from a supernova that Chinese and Japanese astronomers documented in the year 1054, emits radio ...

When the densest objects in the universe collide and merge, the violence sets off ripples, in the form of gravitational waves ...

Using gravitational waves as a measure of the universe's rate of expansion could solve the biggest headache in physics, the so-called "Hubble tension." ...