Space

astronaut on space walk

Russian Cosmonaut Spends Record-Breaking 1,111 Days in Space

Two Russian cosmonauts have returned to Earth after spending...
Earth and the moon.

For Two Months, Earth Will Gain a ‘Mini-Moon’

On Sept. 29, the Earth will temporarily get a...
An artist's illustration of Porphyrion.

Astronomers Observe Enormous Plasma Jets Blasting From Supermassive Black Hole 

Astronomers have spotted two giant plasma jets streaming from...
The Z pulsed power machine at Sandia.

Nuclear Bomb Can Deflect Future Killer Asteroid, Scientists Discover

It's a bad month for any malicious asteroids out...
Spy satellites.

Secret Spy Satellites Caught on Camera

Very little information is available about the various spy...
An artist's impression of an Earth-like planet with rings.

New Research Suggests Ancient Earth Had Rings

The Earth: a ringed planet, much like Saturn, surrounded...
The potential meteorite strike site.

Meteorite Crater Discovered on Google Maps

Joel Lapointe was scouring the Cote-Nord region of Quebec...

Asteroid Extinction: What Is Stopping Us from Going the Way of the Dinosaurs?

Asteroid hunter Jacqueline Fazekas started the evening of Sept....
The first private spacewalk

SpaceX Makes History With First Commercial Spacewalk

On Thursday, SpaceX rocketed into the history books with...
The Moon

Our Moon Experienced Surprisingly Recent Volcanic Activity

Three tiny glass beads, from a sample of 3,000...
asteroid fireball

Watch: An Asteroid Burns Up Spectacularly Over the Philippines

A tiny asteroid became a huge fireball as it...
spacecraft in orbit

How a Polar Guide Became an Astronaut

Imagine you were guiding a ski trip in Svalbard....
artist's rendition of a meteor striking Earth

Origin of Asteroid That Wiped Out Dinosaurs Pinpointed

Sixty-six million years ago, the Chicxulub asteroid struck Earth...
The Andromeda and the Milky Way.

Will Our Galaxy Collide With Andromeda? Good News: The Odds are Just 50-50

Astronomers have long believed that our Milky Way will...

When a Day on Earth Was Just 22 Hours Long

Earth's rotation has been slowing over time, but not...
mars

A Revolutionary Way To Warm Up Mars

NASA wants to send astronauts to Mars in the...
Five images of the same solar flare across different wavelengths.

The Worst Solar Storm in History and What It Would Do Today

On the evening of Aug. 28, 1859, a telegraph...
northern lights from space

Watch the Northern Lights From High Above the Earth

A strong geomagnetic storm over the weekend allowed skygazers...
The Fram2 crew.

Polar Guide Eric Philips Becomes an Astronaut

A SpaceX mission planned for later this year will...
symbols on a pillar in Turkey

The World’s Oldest Calendar Discovered in Turkey

Archaeologists have discovered the world’s oldest calendar. The ancient...
Boeing Starliner docked at the International Space Station.

Marooned in Space Until 2025

Two NASA astronauts stuck on the International Space Station...
An image of the surface of Mars taken from above, zoomed in on a series of gullies.

This Week in Planetary Science: Unexpected Findings from Mars and the Moon

Three different robotic explorers made planetary news last week....
Jupiter showing its Great Red Spot

The Uncertain History of Jupiter’s Great Red Spot

The Great Red Spot appears on nearly all images...
Three telescopes crest a mountain ridge. The full moon silhouettes the largest of them.

The Hiker’s Guide to Visiting Space Telescopes

Let's cut straight to the bad news: you can't...

Sign up for ExplorersWeb Emails