Universe Today (Page 126)

Oumuamua Isn't an Alien Probe, Because Aliens can Learn Everything They Need About us With Telescopes

By Matthew Williams - March 18, 2021 09:09 PM UTC | Astrobiology

A new study offers a new take on why 'Oumuamua could not have been an alien probe: a lack of motivation!

Oumuamua is Probably Very Similar to Pluto, Just From Another Star System

By rcrewe - March 18, 2021 08:57 PM UTC | Planetary Science

Perseverance's Landing Seen in Full Color, Thanks to Citizen Science

By Nancy Atkinson - March 18, 2021 04:03 PM UTC | Planetary Science

Lightning Strikes Helped Life get an Early Start on Earth

By sjohnston - March 18, 2021 02:24 PM UTC | Astrobiology

Tracking Satellites Through GEOSat Eclipse Season

By David Dickinson - March 18, 2021 12:29 PM UTC | Observing

You can spot satellites in far-flung orbits… if you know exactly where and when to look.

Frosty Sand Dunes on Mars

By Nancy Atkinson - March 17, 2021 11:09 AM UTC | Planetary Science

A Titan Mission Could Refuel on Site and Return a Sample to Earth

By Matthew Williams - March 16, 2021 06:13 PM UTC | Missions

As part of the 2021 NAIC proposals, NASA is investigating a concept for a sample-return mission to Titan that would harvest its own fuel from local resources.

It Turns Out That the World's Oldest Impact Crater Isn't an Impact Crater

By sjohnston - March 16, 2021 04:13 PM UTC | Planetary Science

Do Supermassive Black Holes Come From Supermassive Stars?

By rcrewe - March 16, 2021 03:32 PM UTC | Black Holes

Wormholes Could Allow Travel Across the Universe, as Long as Your Spacecraft is Microscopic

By Brian Koberlein - March 15, 2021 11:08 AM UTC | Physics

An alternative to general relativity predicts wormhole travel is possible, but only if you're teeny-tiny.

There Should be About 7 Interstellar Objects Passing Through the Inner Solar System Every Year

By Matthew Williams - March 14, 2021 12:43 PM UTC | Solar Astronomy

A new study led by the Initiative for Interstellar Studies (i4is) has found that interstellar objects like 'Oumuamua visit our Solar System seven times a year!

A Planet Lost Its Atmosphere, So Its Volcanoes Made It a New One

By rcrewe - March 12, 2021 07:00 PM UTC | Exoplanets

The Giant Magellan Telescope's 6th Mirror has Just Been Cast. One More to Go

By Matthew Williams - March 12, 2021 05:37 PM UTC | Telescopes

Work has begun on the sixth and seventh mirror segments for the Giant Magellan Telescope, which will begin studying the cosmos by the late 2020s.

China and Russia Will Be Partners in a Lunar Research Station

By sjohnston - March 12, 2021 02:33 PM UTC | Space Policy

Alcubierre Gives us an Update on his Ideas About Warp Drives

By Brian Koberlein - March 12, 2021 11:59 AM UTC | Physics

A new look at warp drive fuels hope that it might be possible after all.

Measuring the Temperatures of Red Giants is Actually Pretty Tricky

By Paul Sutter - March 12, 2021 10:21 AM UTC | Stars

Comets Already Grow a Coma out in the Kuiper Belt

By Paul Sutter - March 12, 2021 04:15 AM UTC | Solar Astronomy

The Oldest Stars Help Tell us how big the Universe is

By Paul Sutter - March 11, 2021 04:30 PM UTC | Cosmology

Microbes Found That Survive on the by-Products of Radioactive Decay

By Matthew Williams - March 11, 2021 02:54 PM UTC | Astrobiology

An oceanic research team recently demonstrated that one of the largest ecosystem on Earth thrives on the radioactive decay of elements

Organic Material Found on an Asteroid Sample Returned by Hayabusa 1

By Andy Tomaswick - March 11, 2021 02:21 PM UTC | Planetary Science

Vega Might Have a Planet

By Andy Tomaswick - March 11, 2021 01:26 PM UTC | Exoplanets

The Galápagos Islands From Space

By Nancy Atkinson - March 11, 2021 10:51 AM UTC | Planetary Science

What's the Connection Between Stellar-Mass Black Holes and Dark Matter?

By Brian Koberlein - March 11, 2021 09:52 AM UTC | Black Holes

The smallest black hole we've observed might prove dark matter is made of primordial black holes.

Researchers Discover the Source of the Sun's Most Dangerous High-Energy Particles

By Paul Sutter - March 11, 2021 08:48 AM UTC | Solar Astronomy

Fantastic Analysis of SN-10 Landing and Explosion by Scott Manley

By Matthew Williams - March 10, 2021 06:03 PM UTC | Stars

A new video by astrophysicist and Youtuber Scott Manley breaks down what went wrong with SpaceX's latest test flight

Did Supermassive Black Holes Form Directly From Dark Matter?

By Paul Sutter - March 10, 2021 05:00 PM UTC | Black Holes

Move Over, Electron: Rocket Lab Introduces Its New Neutron Rocket

By David Dickinson - March 10, 2021 12:42 PM UTC | Space Exploration

Peter Beck announces an addition to the Rocket Lab family, with the Neutron Rocket.

This Exoplanetary System Breaks all the Rules

By Paul Sutter - March 10, 2021 08:16 AM UTC | Exoplanets

How do you get Power into Your Lunar Base? With a Tower of Concrete Several Kilometers High

By sjohnston - March 09, 2021 08:30 PM UTC | Space Exploration

Apollo Rocks Reveal the Moon's Early History

By Matthew Williams - March 09, 2021 04:34 PM UTC | Planetary Science

A new analysis of lunar rock samples has revealed details about its early history, particularly how the Moon's iron core differentiated from its mantle.

VY Canis Majoris is "Like Betelgeuse on Steroids"

By Andy Tomaswick - March 09, 2021 02:27 PM UTC | Stars

The Most Recent Volcanic Activity on the Moon? Just 100 Million Years ago

By Paul Sutter - March 09, 2021 10:17 AM UTC | Planetary Science

Astronomers Track a Neutrino Back to the Source. Where a Black Hole Tore Apart a Star

By Andy Tomaswick - March 09, 2021 08:08 AM UTC | Black Holes

New Supercomputer Simulations Will Help pin Down Inflation

By Paul Sutter - March 09, 2021 06:23 AM UTC | Cosmology

Simulations of the Universe are Getting Better and Better at Matching Reality

By Paul Sutter - March 08, 2021 08:34 PM UTC | Cosmology

Gliese 486b is a Hellish World With Temperatures Above 700 Kelvin

By Matthew Williams - March 08, 2021 05:51 PM UTC | Exoplanets

The CARMENES consortium recently discovered a super-Earth just 21 light-years away that will be the perfect test case for exoplanets in the future.

Dust in the Chixalub Crater Makes the Compelling Case That an Asteroid Wiped out the Dinosaurs 65 Million Years ago

By Paul Sutter - March 08, 2021 01:15 PM UTC | Planetary Science

Space Missions are Building Up a Detailed Map of the Sun's Magnetic Field

By Andy Tomaswick - March 08, 2021 01:12 PM UTC | Missions

NASA is Considering a Radio Telescope on the Far Side of the Moon

By sjohnston - March 08, 2021 11:52 AM UTC | Telescopes

A Single Dust Devil on Mars

By Nancy Atkinson - March 08, 2021 11:03 AM UTC | Planetary Science

Another Big Iceberg Just Broke off from Antarctica

By Matthew Williams - March 07, 2021 06:27 PM UTC | Planetary Science

The ESA's Copernicus Sentinel-1 satellite recently spotted an iceberg the size of New York City breaking off the Brunt Ice Shelf in Antarctica.

Nancy Grace Roman Telescope is Getting an Upgraded new Infrared Filter

By Matthew Williams - March 07, 2021 04:11 PM UTC | Telescopes

The Nancy Grace Roman Telescope just received a new infrared filter that will allow it to explore even more of the cosmos!

Almost all High-Energy Neutrinos Come From Quasars

By Brian Koberlein - March 06, 2021 03:07 PM UTC | Extragalactic

Earth is blasted by high-energy neutrinos from the most powerful objects in the universe.

A New Study Says That Betelgeuse Won't Be Exploding Any Time Soon

By mcimone - March 05, 2021 06:20 PM UTC | Stars

How Would Rain be Different on an Alien World?

By Matthew Williams - March 05, 2021 02:38 PM UTC | Exoplanets

A new study takes a look at possible rainfall patterns on exoplanets, which could help narrow the search for extraterrestrial life in the coming years!