The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system, about 3 billion miles away from the ...

Shohei Ohtani may be the best two-way baseball player on planet Earth, but an astronaut who hails from the same country has ...

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

OBSERVER Senior Staff Writer - Dr. Bernard Harris, Jr., the first African American to walk in space, reflects on his 30-year ...

It's official - space is a war-fighting domain. Who says so? The British, the Americans, Nato and, among many other nations, ...

Astrophysicist Paul Sutter talks about the science behind "Three Body Problem," "Interstellar," and "Avengers: Infinity War." ...

During a late-night deck party on a Royal Caribbean International ship, Star Trek: The Cruise took passengers to Risa, a ...