Does anyone have sovereignty over the moon? And can anyone buy it?
Planetary scientists have pinpointed the likely location of a massive asteroid impact that triggered an enormous tsunami on the Red Planet around 3.4 billion years ago.
Astronomers observed a major eruption from a volcanic comet flying through the solar system, likely spewing more than 1 million tons of debris into space.
Quantum experiment conducted on Google's Sycamore 2 computer transferred data across two simulated black holes, adding weight to the holographic principle of the universe
Most matter in the universe cannot be seen — but its influence on the largest structures in space can.
The Orion capsule has taken a photograph of Earth passing behind the moon as the spacecraft passes within 81 miles of the lunar surface.
Short answer: We don't really know how the universe was created, though most astrophysicists believe it started with the Big Bang.
Scientists have approved the introduction of four new prefixes that can be applied to units of measurement in the metric system.
A pair of galaxies in the constellation Eridanus have been warped and twisted into a colossal, glowing ring of stars by the intense gravitational forces between them following a chaotic merger.
By using a chain of atoms to simulate a black hole's event horizon, researchers have shown that Hawking radiation may exist just as the late physicist described.
Astronomers have created a colorful interactive map of more than 200,000 galaxies and quasars spanning the lifespan of the cosmos.
A renegade meteor flared in Earth’s atmosphere in the wee hours of Nov. 19, creating a bright green fireball in the sky over the eastern US and Canada.
An uneven distribution of stars in several nearby clusters may offer evidence of MOND – a controversial theory of gravity that disputes Newton and rejects the existence of dark matter.
Researchers want to build a spacecraft to lurk in far-Earth orbit and chase down interstellar objects as they whizz through the solar system.
The uncrewed X-37B space plane touched down at NASA’s Kennedy Space Station on Nov. 12 having spent a record 908 days in orbit
Earth is about to pass through the debris trail left behind 30 years ago by comet Tempel-Tuttle. Here's how to catch the sky show.