The First Interstellar Object May Have Just Visited Our Solar System

The object zoomed into our solar system from an extreme angle above the path in which most planets and asteroids orbit the sun.

Spots on supergiant star drive spirals in stellar wind

A Canadian-led international team of astronomers recently discovered that spots on the surface of a supergiant star are driving huge spiral structures in its stellar wind.

A New Theory Explains Three Dimensions Of Observable Universe

Physicists have a new scenario of the universe's expansion at the Big Bang that may explain why our universe has three large spatial dimensions.

There are Less Deadly Undiscovered Asteroids than we Thought

According to a new analysis, the number of undiscovered and potentially-hazardous asteroids is lower than previously thought.

Gravitational waves from colliding neutron stars usher in new era of astronomy

For the first time, gravitational waves have been detected coming from the violent collision of two neutron star potentially solving the mystery of where heavy elements like gold come from as well as producing a visible afterglow detected by over 70 telescopes around the world.

Very Long Baseline Array measurement promises complete picture of the Milky Way

VLBA achievement nearly doubles the previous record for distance measurement within our galaxy.

Richard Branson's Virgin Galactic is nearly ready to launch into outer space

After over a decade in development, Virgin Galactic, a private space travel service founded by billionaire Richard Branson, is nearly ready to enter orbit.

The Mystery of the Universe's Missing ‘Normal’ Matter Has Begun to Unravel

Previously undetected matter was found in the form of gas filaments between galaxies, which is a major step toward explaining the structure of the cosmos.

World's largest radio telescope has made its first discovery

China’s FAST Radio Telescope Discovers 2 Pulsars During 1 Year Trial Run

SpaceX Successfully Launches the First of Two Falcon 9 Rockets in Three Days

This is the first of two launches for this week, the first being a ten satellite payload for the new Iridium NEXT constellation and the second is for the SES-11/EchoStar 105 satellite.

Mysterious dimming of Tabby’s Star may be caused by dust

A new study suggests that the cause of the dimming over long periods is likely an uneven dust cloud moving around the star. This flies in the face of the “alien megastructure” idea and the other more exotic speculations.

New Study Proposes a Giant, Space-Based Solar Flare Shield for Earth

A team of scientists from US scientists have proposed a bold idea for protecting Earth against solar flare activity - placing a giant magnetic shield in orbit.

Mysterious dark energy is more dynamic than we thought, says new study

New research is adding some deeper insight into the mysterious repulsive force known as dark energy, providing evidence that whatever it might be, its ghostly influence hasn't been constant over time.

Physicists Prove That Reality Is Not — Repeat, Not — a Computer Simulation

Mathematical roadblocks with quantum mechanics indicate that the so-called simulation hypothesis is impossible.

Life on Earth May Have Started With a Cosmic Splash

Could the building blocks for life on Earth have been delivered by meteorites crashing into ponds of water 4 billion years ago?