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Today
Space photo and quote of the day.
Live · JPL Horizons
Where is Starman right now?
The Tesla Roadster launched on Falcon Heavy on February 6, 2018, still circling the Sun. Position from NASA JPL, updated every six hours.
…from Earth
…from Mars
…from the Sun
…speed around the Sun
…days in space
Live · Starship
Next Starship flight, and every flight so far.
Outcomes as recorded by The Space Devs Launch Library 2.
Falcon 9 and Falcon Heavy
Every booster’s record.
Flights, landings and status for every Falcon first stage, most-flown first.
Live · CelesTrak
Every Starlink satellite, right now.
Positions computed in your browser from the latest public orbital data. Each dot is a satellite.
…Starlink satellites tracked
…positions as of
Mars
Countdown to the next Earth–Mars close approach.
The best launch windows to Mars come every 26 months, a few months before Earth and Mars pass closest. Computed live from JPL.
…next closest approach
…to go
…distance at closest approach
Calculator
Rocket lab.
What each SpaceX rocket can carry, and the rocket equation to try your own.
RocketLow Earth orbitTo MarsHeight
Falcon 9 (expendable)22,800 kg4,020 kg69.8 m
Falcon 9 (booster lands)17,500 kg–69.8 m
Falcon Heavy (expendable)63,800 kg16,800 kg70.0 m
Starship V3 (reusable)about 100 twith orbital refilling124.4 m
Payload figures as published for each vehicle; Starship figures are SpaceX’s stated Block 3 targets.
Calculator
Mars colony: how long to a million people?
Change the assumptions. Launch windows open every 26 months.
Calculator
Kardashev meter.
How far along is humanity? Carl Sagan’s formula rates a civilization by the power it uses: K = (log₁₀ P − 6) / 10, with P in watts. Humanity used about 18.87 terawatts in 2021, a rating of 0.73.
Type I = 10¹⁶ W (all the power of a planet); Type II = 10²⁶ W (a star); Type III = 10³⁶ W (a galaxy).
Tesla · fueleconomy.gov
Every Tesla’s official range, side by side.
EPA-rated range and efficiency, which tesla.com doesn’t compare in one place. Sort by tapping a heading.
Tesla · supercharge.info
Supercharger growth.
…open Supercharger sites
…stalls at open sites
…countries
…under construction or permitted
Sites opened each year. Data: the community-run supercharge.info. Official map: tesla.com/findus.
Tesla software
Latest software updates and release notes.
Coverage from Not a Tesla App, refreshed hourly.
Live markets
Tesla and SpaceX market value.
…combined market value
Information only, not investment advice.
Earnings
Earnings reports and calls.
Every quarterly report filed with the SEC, newest first. Each company announces its next call date on its investor site first: Tesla and SpaceX.
Revenue and profit by quarter
From the numbers each company files with the SEC. A fourth quarter is the full year minus the first three.
SEC filings
Who owns the biggest stakes.
Every 5%-plus ownership report (Schedules 13G and 13D) filed for Tesla and SpaceX.
xAI
Every Grok release.
- Nov 2023Grok-1 preview launches.
- Mar 2024Grok-1 open weights released under Apache 2.0. Download
- May 2024Grok-1.5, with a 128,000-token context.
- Aug 2024Grok-2 and Grok-2 mini.
- Dec 2024Aurora image model.
- Feb 2025Grok 3, with Think mode and DeepSearch.
- Jul 2025Grok 4 and Grok 4 Heavy; Grok Imagine.
- Aug 2025Grok 2.5 weights released; Grok Code Fast 1.
- Sep 2025Grok 4 Fast.
- Nov 2025Grok 4.1.
- Feb 2026Grok Imagine 1.0 and Grok 4.20.
- Apr 2026Grok 4.3.
- Jul 8, 2026Grok 4.5.
- Aug 12, 2026Grok 4.6.
- Sep 21, 2026Grok 4.7.
Source: Grok release history. Official: x.ai.
Neuralink
From founding to patients.
- Jun 2016Neuralink is founded.
- Jul 2019First public prototype: ultra-thin threads and a surgical robot.
- Aug 2020Live demo with Gertrude the pig.
- Apr 2021A monkey plays Pong with a Neuralink implant.
- May 2023FDA approves the first human study.
- Jan 2024First human implant; the patient, Noland Arbaugh, is introduced in March.
- Feb 2024The first patient controls a computer mouse by thought.
- Aug 2024A second patient is implanted.
- Sep 2024FDA breakthrough device designation for Blindsight, aimed at restoring sight.
- Nov 2024Health Canada approves a trial in Canada.
- Aug–Sep 2025First implants in Canada, at Toronto’s University Health Network.
- Sep 202512 trial participants, over 15,000 hours of use.
- Oct 2025First UK patient controls a computer hours after surgery.
Source: Neuralink history. Official: neuralink.com.
The Boring Company
Ride the Vegas Loop.
2021opened to convention attendees
1.7 milesof tunnel in service
Tesla carsModel 3 and Model Y, up to four riders each
68 milesplanned network across Las Vegas
Stations include LVCC Central, South, West and Riviera at the Las Vegas Convention Center, plus Resorts World, Westgate and Fontainebleau. Take the escalator or elevator down to a station and ride a Tesla through the tunnel. The approved expansion, from 2023, reaches the Strip, the airport, Allegiant Stadium and downtown.
Source: Vegas Loop. Official: boringcompany.com.
The Boring Company
Every tunnel project and where it stands.
Las Vegas, Nevada. Open since 2021, expanding toward 68 miles.
Hawthorne, California. 1.14-mile test tunnel, finished 2018.
Dubai, UAE. Construction began February 2026; first phase expected 2027.
Nashville, Tennessee. Downtown to the airport; the Prufrock MB2 machine arrived April 2026.
Miami, Florida. Awaiting planning analysis as of late 2023.
Removed from the company website.
Chicago to O’Hare; dropped by 2021.
Fort Lauderdale; suspended by the city in December 2022.
Source: The Boring Company projects.
Watch a launch
Where SpaceX launches from, and how to watch.
Starship launches. Every flight is webcast on @SpaceX and spacex.com/launches.
Falcon 9, Falcon Heavy and crew launches. The visitor complex sells launch viewing: kennedyspacecenter.com.
Falcon 9 launches, mostly Starlink, often visible across Southern California at night and dawn.
Next launches with live-feed links are on the launch schedule.
Alerts
Get alerts the moment something changes.
Add these feeds to any news reader or to Feedly, Inoreader or Apple News to get alerts the moment something new appears.
- New insider trades by Musk and Tesla and SpaceX leadersUpdated hourly from SEC filings
- Upcoming SpaceX launchesUpdated every 30 minutes
- Weekly digest: launches, filings, new jobs and top headlinesUpdated hourly
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