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A bright green light faintly glows in the center of a dark starry night sky

Comet C/2025 A6 (Lemmon) is approaching Earth  — will it become visible to the naked eye?

By Joe Rao published

The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.

Comets
fire erupts from below a giant chrome cylinder with four grid fins, next to a tower.

SpaceX test fires next Super Heavy booster for Starship's 11th upcoming launch (video)

By Josh Dinner published

The company is hoping to keep their momentum.

Launches & Spacecraft
A star-studded sky glitters above an undulating, dark, silhouetted horizon. The sky is a lighter shade of blue towards the horizon, where the outlines of clouds can be seen hugging the skyline. A lone meteor is visible streaking Earthwards towards the upper left of the image.

The September Epsilon Perseids meteor shower peaks predawn on Sept. 9.

By Anthony Wood published

The shooting stars appear to emanate from a patch of space in the constellation Perseus.

Meteors & Meteor Showers

'EVE Online''s space survival spinoff uses realistic simulations and algorithms to build a whole new universe (exclusive)

By Fran Ruiz published

'EVE Frontier' developers Helgi Freyr Rúnarsson and Guðlaugur Jóhannesson talk galaxy merger models, black holes, and the thin line between science and fun.

Space Games
A man wearing a dark blue shirt and metal watch uses a controller while watching a screen

ISS astronaut Jonny Kim says controlling robots on Earth felt like playing video games: 'This demo brought me right back'

By Elizabeth Howell published

The only problem with being an astronaut? Less time for video gaming.

Technology
a domed white building at night

US Congress is holding a UFO hearing today about 'restoring public trust.' Here's how to watch live

By Brett Tingley published

A U.S. House of Representatives task force will once again hold a hearing on Sept. 9 to hear from witnesses who claim the U.S. government is hiding evidence of UFOs.

Search for Life
(Main) An illustration of the planet TRAPPIST-1e (inset) Data collected by the NIRSpec (Near-Infrared Spectrograph) instrument on NASA’s James Webb Space Telescope

Does the nearby exoplanet TRAPPIST-1e support life? New James Webb Space Telescope data could help us find out

By Robert Lea published

The James Webb Space Telescope has investigated the "Goldilocks zone" planet TRAPPIST-1e to search for a potential atmosphere and hints of habitability.

Exoplanets
A large rocky moon with various white pockmarks and a gray and blue-green surface glows in the darkness of space

Juno spacecraft finds auroral 'footprints' of Jupiter's moon Callisto for 1st time

By Stefanie Waldek published

Yes, even Jupiter's moons produce auroras.

Jupiter
A large rocky comet floats in the darkness of space with some stars in the distance.

1st known interstellar visitor 'Oumuamua is an 'exo-Pluto' — a completely new class of object, scientists say

By Nola Taylor Tillman published

"'Oumuamua is in a different category of object. It's much harder to find, but there are a lot more of them."

Dwarf Planets
An arch of rainbow colored lights, along with the Milky Way, appear in the night sky above a large rounded building and antenna disk in the snow.

South Pole Telescope beneath a rainbow of colors | Space photo of the day for Sept. 8, 2025

By Kenna Hughes-Castleberry published

A panorama captures a breathtaking view of the night sky above a frozen landscape.

Astronomy
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