The solar cycle describes an 11-year period of solar activity driven by the sun's magnetic field and indicated by the number of sunspots visible on the surface.
Space News & Blog Articles
Best telescopes 2022: Top picks for viewing planets, galaxies, stars and more
Our selection of the best telescopes will suit all budgets and needs — whether you're observing planets, stars, the moon or anything else in the night sky.
Inflatable Venus drone, Mars spacesuits and more: NASA picks far-out tech concepts for future study
The NASA Innovative Advanced Concepts (NIAC) program is funding a range of space tech studies in early development. In the future, they could assist space missions.
Evidence of 'modern' plate tectonics dating to 2.5 billion years ago found in China
Earth scientists in China have found evidence of a subduction zone dating to 2.5 billion years ago.
Photos: Close-ups of NASA’s moon rocket on the launch pad
These images from pad 39B at the Kennedy Space Center show NASA’s Space Launch System moon rocket awaiting a rollback to the Vehicle Assembly Building for repairs.
Watch SpaceX's private Ax-1 astronaut crew return to Earth today live online
The first American privately funded mission to the International Space Station ends today with an anticipated splash down off the coast of Florida at about 1:06 p.m. EDT (1706 GMT).
Best stargazing apps: AR apps and virtual star maps to help you navigate the night sky
We have fully reviewed the best stargazing apps for Android and iOS, and ranked them in order here.
Hubble observations used to answer key exoplanet questions
Image: Hubble observations used to answer key exoplanet questions
Sky-Watcher telescope deals available right now
We've found the best Sky-Watcher telescope deals for you.
UK Binocular deal: save 26% on these Celestron binoculars
The Celestron SkyMaster 15x70 binoculars are over £29 off on Amazon
Fireball! Scientists advise meteorites may be scattered across southern Ontario
On Sunday (April 17), skywatching cameras in Ontario recorded a massive fireball that likely produced tens to hundreds of grams of meteorites.
How Pluto walks a tightrope between a stable and chaotic orbit
Pluto is lucky to exist in the orbit that it does, according to new computer simulations that show how the dwarf planet skirts near a chaotic orbit that could potentially destroy the beloved world.
Why so much solar activity? Sun may be outpacing predictions.
It's no coincidence that the headlines have been full of solar flares and storms: Solar cycle 25, as astronomers call it, is now well under way.
Axiom’s private astronauts depart space station after 15-day stay
SpaceX’s Dragon Endeavour spacecraft fires Draco thrusters after undocking from the International Space Station. Credit: NASA TV / Spaceflight Now
A SpaceX Crew Dragon capsule carrying four non-professional astronauts, the first fully commercial, non-government crew to visit the International Space Station, undocked from the outpost Sunday, heading for re-entry and splashdown Monday to close out an extended 17-day mission.
Smiling Sam
Image:
ESA astronaut Samantha Cristoforetti is all smiles after arriving at NASA’s Kennedy Space Center in Florida, USA, last week with NASA astronauts Kjell Lindgren, Bob Hines and Jessica Watkins.
Collectively known as Crew-4, the astronauts flew in from Houston, Texas, USA, and are spending the days ahead in quarantine before being launched this week to the International Space Station on the SpaceX Crew Dragon Freedom.
SpaceX Dragon with private Ax-1 astronaut crew departs International Space Station
The pioneering Ax-1 mission has left the International Space Station and is headed back to Earth.
NASA readies SLS moon rocket for return to Vehicle Assembly Building
EDITOR’S NOTE: Watch live streaming video of the Space Launch System moon rocket on this page.
Live coverage: Axiom’s all-private crew cleared for undocking and return to Earth
Live coverage of the undocking, re-entry, and splashdown of Axiom’s Ax-1 mission at the International Space Station aboard a SpaceX Crew Dragon spacecraft. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
NASA TV
SpaceX Undocking Webcast
Happy Birthday, Hubble!
The Hubble Space Telescope turns 32 on April 24th, and the team behind the telescope is marking the occasion with the release of a galactic family picture.
Large Hadron Collider restarts to push physics to the edge
Scientists restarted the Large Hadron Collider on April 22 to hunt for dark matter and fringe physics.
Upcoming satellite mission may 'see' how early universe cooled
As the early universe cooled shortly after the Big Bang, bubbles formed in its hot plasma, triggering gravitational waves that could be detectable even today, a new study suggests.