All About Everything

How do we know how far away and early in the universe galaxies are?

Since it started delivering its first results in July 2022, the James Webb Space Telescope (JWST) has been supplying stunning images of the universe that include observations of the most distant and early galaxies we've ever seen. But how do we know that ...

Spaceflight Now

Falcon Heavy test-fired at Kennedy Space Center

Spaceflight Now

SpaceX test-fired 27 main engines on a Falcon Heavy rocket Thursday in Florida, clearing a hurdle before installing three commercial communications satellites on the launcher for a mission to geostationary orbit next week. The test-firing at 12 p.m. ...

Watch SpaceX Dragon cargo ship depart space station today

The Dragon carried up about 6,300 pounds (2,860 kilograms) of supplies on its mission, which is known as CRS-27. (CRS stands for "commercial resupply services.") The cargo included a variety of hardware, 60 different scientific experiments and some ...

Juice mission launches to explore Jupiter's icy ocean worlds

The European Space Agency has sent a spacecraft to explore Jupiter and three of its largest and most intriguing moons. The Jupiter Icy Moons Explorer mission, or Juice, launched Friday at 8:14 a.m. ET ...

JUICE Jupiter mission marks a massive milestone for European space exploration

The European Space Agency (ESA) has launched its first flagship exploration mission and its first voyage to the outer solar system, and the event marks a significant moment for Europe's space endeavors. ESA's Jupiter Icy Moons Explorer spacecraft, ...

No asteroid impacts needed: Newborn Earth made its own water, study suggests

This water would have stemmed from chemical interactions between an atmosphere rich in hydrogen, which researchers think enveloped the young Earth, and massive oceans of magma on the planet's surface. In these conditions ...

James Webb Space Telescope finds tiny early galaxy packing big star-forming punch

The James Webb Space Telescope (JWST) has discovered a tiny galaxy in the early universe that is growing rapidly as it forms stars at a tremendous rate, revealing more about the progenitors of galaxies such as our own.

SpaceX fires up powerful Falcon Heavy rocket ahead of April 18 launch

Static fires are common preflight tests, designed to ensure that a rocket's various systems are primed for launch. And that liftoff is just around the corner for the Falcon Heavy: It's scheduled to fly from KSC on Tuesday (April 18) at 7:29 p.m. EDT (2329 ...

Ingenuity helicopter aces record-breaking 50th flight on Mars

Since then, Ingenuity has surpassed all expectations, transitioning from a technology demonstration designed for five flights to an aerial scout for the Perseverance rover as it explores an ancient lake and river delta on Mars.

Machine learning sharpens first photo of a black hole into a 'skinny' doughnut

A machine-learning technique was used to enhance the Event Horizon Telescope Collaboration's image (left) of the supermassive black hole at the center of the galaxy Messier 87 and produce a sharper image.